Why does my car keeps cranking?

When your engine cranks but won't start or run, it could mean your engine is having trouble producing a spark, getting fuel, or creating compression.

The most common causes are in the ignition (for example, a bad ignition coil) or fuel system (for example, a clogged fuel filter).

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Why does my car crank slowly?

A: Possible causes: a marginal battery, a poor connection in the starting circuit or starter, a charging-system problem, or the battery is being drained while the car's parked.If the slow cranking occurs after driving (engine hot), it's likely a faulty starter or poor charging.

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Why does my car battery keep disconnecting?

Some of the most common reasons for a car battery to die repeatedly include loose or corroded battery connections, persistent electrical drains, charging problems, constantly demanding more power than the alternator can provide, and even extreme weather.

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Why does my car keep losing traction?

Combinations – skids are most often caused by excessive speed, coupled with too sharp a turn for the vehicle or braking when turning, or "normal" speed coupled with ice or snow or gravel on the road, etc.Hydroplaning takes place while driving on wet roads.

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Why does my car keep misfiring?

An ignition system problem is one of the most common reasons for an engine to misfire.As the spark plugs, ignition cables, distributor cap and rotor, and ignition coil wear over time, their ability to transfer the needed spark to ignite the air-fuel mixture inside the combustion chambers becomes ...

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Why does my car keep stalling?

If the fuel pump isn't supplying enough fuel to the engine, or if the air/fuel mixture is too lean, the engine doesn't produce enough combustion in the power cycle to stay running, and will stall.A faulty fuel pump or incorrect timing can cause this.If the engine is over-fuelling, that can cause ...

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Why does my car keep burning oil?

If the piston rings are damaged, the burning oil is caused by a lack of compression in the combustion chamber and excessive oil entering the combustion chamber.This is also what causes burning oil when cylinder head valve guides are damaged.Burning oil can lead to serious issues, including engine...

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Why does my car keep sliding?

Assuming you have the right tires on the right wheels inflated to the right pressure, the problem likely lies with incorrect alignment; this most commonly occurs with the vehicle straying from the intended direction on a flat road surface.This can be the result of worn or damaged suspension or st...

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Why does my car keep turning off?

Another reason that makes your car shuts off while driving is issues with the fuel pump.If there is something clogging in the pump or filter, it will make your car turns off while driving on the roads suddenly.So, it is always mandatory to check and clean the fuel pump, filter before driving a lo...

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Why does my car keep fogging up?

Fogging is caused by warm, humid air inside your car forming condensation on the cooler windows.It's the reverse of the water droplets that form outside of an ice-cold can of drink on a warm, humid summer's day.Modern cars are especially susceptible to fogging.

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Why does my car keep revving?

The idle is controlled by the idle air control valve and if it cannot keep the engine idling it will keep trying to rev the engine up to compensate.A vacuum leak, sensor that has failed, or an EGR system malfunction could potentially be the cause of the erratic engine you're experiencing.

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Why does my car keep cutting off?

When the actuator malfunctions, the engine gets no signal for idling speed and stops working.Clogged or restricted EGR Valve: If your EGR valve is clogged, dirty, or defective it can cause your car to stall, idle erratically, or sputter, depending on whether it is stuck open or closed.

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Why does my car crank with no key?

Your ignition lock is broken.

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Why does my car cranks but doesn't start?

The engine needs fuel, compression and spark to run. You are missing at least one of those.

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Why does my fan keep running on my car?

Your temperature needle will indicate overheating when this needle runs “high” or “hot” or when the digital dash gives a warning.Often, overheating can be fixed by adding coolant (if the coolant is low) or by changing the oil.A car lacking oil is not good.This can cause an engine to crack or blow.

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Why does my car amp keep shutting off?

Amplifier Wiring Problems A bad fuse, or any loose or poorly connected power or ground wires, can also cause an amp to turn on and off at random.The only fix for this type of wiring problem is to run a new wire of the correct gauge from the battery or fuse box and fit it with a properly sized fuse.

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Why does my car radio keep cutting out?

When a car stereo cuts out and then turns back on: The problem is usually in the wiring.If the display shuts off at the same time the music cuts out, then the unit is probably losing power.Tracking down the fault can be difficult when the radio is functioning, since it actually has power at that ...

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Why does my car coolant level keep dropping?

A leaking or blown head gasket will cause water to leak into the areas of the block where it was not designed to go.This will cause the coolant fluid levels to drop without any noticeable leaks under the coolant reservoir, hoses or radiator.To check for a faulty head gasket, pull the oil dipstick.

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Why does my coolant level keep dropping?

A leaking or blown head gasket will cause water to leak into the areas of the block where it was not designed to go.This will cause the coolant fluid levels to drop without any noticeable leaks under the coolant reservoir, hoses or radiator.To check for a faulty head gasket, pull the oil dipstick.

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Why does my Nissan car alarm keep going off?

Poor Connection of the Hood Latch If the car alarm keeps going off even after cleaning the hood latch sensor, the problem could be a defective hood latch connection.It can also set off false alarms because the sensor cannot respond properly to the given commands.The sensor is located near the he...

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Why does my o2 sensor keep failing?

O2 sensors that are failing tend to read lean, which causes the fuel system to run overly rich to compensate.The result is increased emissions and fuel consumption.The same goes for any O2 sensor that has a bad internal heater circuit.O2 sensor failures can be caused by various contaminants that ...

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Why does my starter keep turning?

So, if your starter keep running, the problem could be stuck starter relay contacts, a continuous ground on the starter relay control coil, or a binding ignition lock cylinder that keeps the actually ignition switch in the START position.To diagnose the problem, first try rotating the lock cylinder.

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Why does my engine coolant keep disappearing?

While most leaks are obvious, there are often times you may feel your coolant is simply disappearing.Overheating can also pose a problem with the head gaskets within the engine, causing coolant to escape through your engine's exhaust.

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Why does my radiator fan keep running?

It's normal for some vehicles to have a fan run for a few minutes after the car is shut off, generally to keep the engine cool.However, if the fan is running for an extended period, the fan itself can become damaged due to overuse.It's possible you may have a module or relay failing in your car.

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Why does my car keep revving on its own?

The Head Gasket is probably on its way out. Check the oil filler cap to see if its gone all creamy

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Why does my car horn fuse keep blowing?

If you disconnect both horns and put a good fuse in to check if the fuse blows with them disconnected, then you have another problem with the fuse blowing and not the horns.It's also possible that you may have another problem like a shorted harness in the steering column and the horn is the first...

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Why does my car radio keep losing signal?

One of the most common causes of poor car radio reception is a poor antenna connection.If the antenna cable is poorly seated in your head unit, or any of the connections are loose, worn, or corroded, you'll often find it difficult to tune into your favorite station.

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Why does the fan keep coming on in my car?

Something wrong with the fan motor.If the motor's faulty then a new motor will have to be fitted.Check the engine coolant level.If your engine coolant level is too low, it means that the cooling fan will probably have to work harder to keep the engine at a normal temperature.

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Why does my security light keep flashing?

Flickering motion sensor lights can be caused by several things: A bad bulb or diode.A pretty straight-forward problem, even high-quality lights tend to go out eventually and sometimes even new ones can malfunction.A bad connection between the bulb or diode and the light fixture itself.

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Why does my circuit keep tripping?

The circuit breaker trips when too much electricity flows through it or when it cannot handle the excess current load.This means that the flow of electricity is cut off to keep your circuits from overheating or causing more damage.Let us look at the three main reasons that cause circuit breakers ...

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Why does my tire keep going flat?

Probably because it has a leak. That could be from a number of sources, including punctures of the tread or sidewall, compromised valve stem or valve core, or a bent rim breaking the bead.

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Why does my moped keep losing power?

A clogged air filter may not allow a sufficient amount of air into the carburetor, reducing the power of your engine.Bad Gas – Bad or dirty gas will also cause your engine to lose power.Improper Oil Level – Loss of power may also be caused by an improper level of oil in the engine.

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Why does my 15a fuse keep blowing?

If the cigarette lighter fuse is 15 amps, then a draw of more than 15 amps will cause it to blow.And if the problem in your circuit is actually some type of short, putting in a larger fuse may cause the wiring to heat up to the point where it could melt or even cause a fire.

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Why does my car radio keep turning off and on?

When a car stereo cuts out and then turns back on: The problem is usually in the wiring.If the display shuts off at the same time the music cuts out, then the unit is probably losing power.Tracking down the fault can be difficult when the radio is functioning, since it actually has power at that ...

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Why does my car keep blowing the fuel pump fuse?

Fuses are designed to protect a circuit by "blowing" when too much current is being drawn.My guess that the fuel pump itself is likely faulty and is drawing too much current.A short somewhere in the circuit could also be causing your fuse to blow.

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Why does my car keep making a beeping noise?

Hello.Small beeps when the AC is on can be caused by dirty or faulty AC components.A common source of a beeping or chirping sound when the AC is turned on is a dirty or faulty evaporator case.Car won't start and makes a beeping/clicking noise.

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Why does my abs keep coming on?

This in turn makes it one of the more common causes of the ABS light coming on.When the wheel speed sensor alerts the ABS that the wheels are moving at different speeds, a hydraulic valve is responsible for releasing, or increasing, the brake fluid pressure to prevent the wheels from losing tract...

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Why does my StabiliTrak keep coming on?

This is actually a common message that usually means there is nothing to worry about.It just means that StabiliTrak is not currently able to initialize.This can be due to a variety of reasons including road conditions or improper tire size.If the message persists, then you should take your vehicl...

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Why does my valve cover keep leaking?

Your valve cover gasket may be leaking for a variety of reasons.It could be shrunken, cracked or rotten, or your valve cover itself may be cracked or broken or one of the valve cover bolts may just be loose, allowing a little leak.Your car may have 1 or 2 valve covers depending on its configuration.

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Why does my fuse box keep tripping?

A fuse box that keeps tripping indicates that you have a faulty electrical item or faulty wiring somewhere in your home.Working out what is wrong is largely a process of elimination, and you can usually narrow down the problem yourself.

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Why does my cooker keep tripping?

If the electric system keeps tripping, it could be due to one of numerous problems.As a general rule, if the trip occurs whenever an electric oven is switched on, then it's usually a problem with the circuit or the wiring.

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Why does my coolant keep disappearing?

Coolant leaks can also happen inside your car.If you have ever found your vehicle missing coolant with no visible leak on the ground or on or around your cooling system, the problem could be a worn out radiator cap, which allows coolant to actually escape while you're driving.

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Why does my tire keep losing pressure?

There are two main reasons why tires lose air with no obvious injury: valve stem failure and mounting problems.Age, exposure to contaminants, and stress can cause these parts of your tire to fail.The valve stem is the mechanism that allows you to put air in a tire.

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Why does my MAF sensor keep failing?

In some situations, mass airflow sensor begins to fail due to contamination caused due to oil or dirt entering the sensor.In both cases, if the mass airflow sensor becomes dirty, the fix is to clean it or replace it.When your engine runs lean, a failure of the MAF sensor can be a likely cause.

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Why does my stereo keep cutting out?

The problem is often in the speaker wiring.A break or crimp in the speaker wiring, often where it passes into a door, can cause the sound to cut off entirely.The problem could also be a bad amplifier or bad wiring to the amplifier.If everything else checks out, the head unit itself may have failed.

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Why does my power keep tripping?

Overloaded Circuit This is the most common cause of a tripped breaker.It usually happens when you're running too many power-consuming devices on the same circuit at the same time.The demand, or load, on the circuit is too high, and presto! The breaker trips to prevent overheating.

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Why does my horn keeps blowing on my f250 truck?

The relay is probably stuck closed. The relay should be located under the hood in the relay/fuse box. It should just plug in.

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Why does my car keep driving even when I put my foot flat on the brake?

the brakes on your car are broken, any fool with at least an ounce of common sense would have realised this, get them fixed before you kill your self or any innocent bystanders!

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Why does my fan keep running when my car is off?

It's normal for some vehicles to have a fan run for a few minutes after the car is shut off, generally to keep the engine cool.However, if the fan is running for an extended period, the fan itself can become damaged due to overuse.It's possible you may have a module or relay failing in your car.

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Why is my car cranking but not starting?

If there's a spark when the engine is cranked, it has ignition.The problem is either fuel or compression.Use your AutoTap Express DIY to look for an RPM signal from the Crankshaft Position sensor while cranking the engine.A bad Crankshaft Position sensor is a common cause of no starts.

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Why does my security light keep coming on in my car?

On your particular vehicle the security light staying on as the vehicle is running is an indication that the security system has failed and is disabled.It is common for a security light to come on after battery dies because the computer may lose its programming to the key.

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Why does my oil light keep coming on and off?

Low pressure means there either isn't enough oil in the system or the oil pump isn't circulating enough oil to keep the critical bearing and friction surfaces lubricated.If the light comes on while at speed, do your best to pull off the road quickly, turn the engine off, and investigate the probl...

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Why does my tire pressure keep going up?

As you drive, there's friction between the tires and the road.Friction means heat — and heat means an increase in tire pressure.You'll be tempted to let air out of the tires, because the tire pressure will be greater than 35 PSI.Do not do this, because the tires will be under inflated.

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Why does my blower motor resistor keep burning out?

Trent, one of the biggest reasons for blower motor resistors to have shorten life is actually because of faulty blower motor drawing too many amps, some times melting wires/plugs, heating up resistors shortening their life.Then they buy a aftermarket blower motor and again it keeps burning up.

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Why does my engine light keep coming on?

The mass airflow sensor, or MAF sensor, calculates the amount of air that's coming into the engine so that the computer can add the right amount of fuel.A faulty MAF sensor could trigger the check engine light.It can also cause a car to experience impaired gas mileage, increased emissions or freq...

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Why does my airbag light keep coming on and off?

Every time you turn on the car, the computer in the vehicle checks the system.The light comes on for a few seconds and then goes off to show that it's working.If it remains on, then there's a problem with the system, and the airbag may not deploy in an accident.You'll need to reset the airbag lig...

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Why does my heat keep kicking on and off?

This is most common cause of short cycling.A dirty air filter restricts air from getting into your furnace.Your furnace's heat exchanger needs that air blowing over it or it overheats, causing the furnace to shut down.Change (or wash, if you have a washable type) your air filter if it's dirty.

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Why does my temp gauge keeps going up and down?

If the coolant temperature gauge is constantly fluctuating then the most common cause of this is a bad thermostat.If the thermostat is sticking or not opening and closing right then this will occur.It can also be a clog in the radiator or a water pump problem.

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Why does my wheel alignment keeps going out?

There are three main causes of wheel misalignment, these are: Sudden jarring or heavy impact caused by hitting something, such as a pothole, bumping a curb, or a road accident.Worn parts caused by wear and tear.

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Why does my throttle position sensor keep going bad?

What are signs of a bad Throttle Position Sensor? Acceleration issues: A bad TPS may cause all sorts of power issues.Your engine may start up but it will have little to no power and it causes it to shut off.Unstable Engine Idle: Faulty position sensors can cause sporadic idle conditions due to fl...

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Why does the voltage keep dropping on my battery indicator?

Perhaps alternator is not charging battery sufficiently, test with a voltmeter A fully charged battery should read approx. 12.8 volts without engine running With engine running reading should be approx. 13.8-14.2volts

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Why does my lawn mower keep rev up and down?

If the air that the engine requires to run is blocked, especially sporadically, it can cause the engine to slow down.When the blockage moves or clears, the engine may suddenly rev up in response.To fix this type of problem, check the air filter to ensure that it's not clogged with dirt and debris.

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Why does my blower motor resistor keeps going out?

Worn blower motor causes repeat blower motor resistor failure.However, other factors can cause the blower motor resistor to fail prematurely.For example.If you've replaced a blower motor resistor and that replacement has failed, it's time to conduct an amperage test on the blower motor.

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Why does my Mini Cooper fan keep coming on?

Mini Cooper fans are meant to boost the circulation of air around the radiator to ensure the engine cooling system is well cooled.The mini copper fans should speed up the process of cooling by driving fresh air into the radiator.Why does your Mini Cooper Fan stay on when I turn off the engine?

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Why does my power wire fuse keep blowing?

If your amplifier's main power wire has a fuse in-line that keeps "blowing", it can be related to the wire itself or the amplifier.In most cases, an amplifier will blow fuses due to internal damage caused by the way it was installed.

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Why does my brake light switch keep burning out?

Bad Brake Light Switch When the brake pedal gets pushed, a switch is triggered to send a signal to the lights out back that it's time to turn on.Analog switches wear out over time, and they can get dirty, too, which interferes with their ability to make positive contact and transmit the right si...

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Why does my running lights fuse keep blowing. automotive?

Most likely the wire to the light is frayed or broken and touches the body of the car, thus creating a short. The body of the car is the 'negative earth' and the live wire is connected to the plus pole of the battery. If the insulation is broken the wire touches earth and thus the fuse blows. Ano...

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Why does my coolant low light keeps coming on?

Low coolant in coolant recovery tank or radiator or defective sensor

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Why does my brake light fuse keep blowing?

Somewhere your wiring or one of the bulbs on the brake light circuit probably has a dead short to the ground, which is the frame of the car.Don't forget any add-on trailer harness.A likely cause is where something heavy has laid upon the wire, pinched it and worn through over time with vibration.

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Why does my AC keep turning on and off?

Oh, the dirty air filter.It's the cause of most AC malfunctions and understandably so.A dirty filter restricts airflow and restricted airflow causes a whole slew of problems, including a frozen evaporator coil.This can cause the unit to malfunction by turning on and off in short bursts.

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Why does my EGR valve keep getting clogged?

As mentioned, the main cause for EGR Valve issues is due to a blockage or a leak.For example, diesel by nature is a dirty fuel and can clog up quite easily.If the car can't recirculate those exhaust gases, it will continue to become more clogged up.This will cause car inefficiency and poor perfor...

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Why does my AC Fan keep turning on and off?

Oh, the dirty air filter.It's the cause of most AC malfunctions and understandably so.A dirty filter restricts airflow and restricted airflow causes a whole slew of problems, including a frozen evaporator coil.This can cause the unit to malfunction by turning on and off in short bursts.

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Why does my mass airflow sensor keep going bad?

Contamination is a key reason why MAF sensors fail and require replacement.As air, dirt and other debris get into the sensor, the parts become contaminated and fail.A problem with the mass air flow sensor often causes the ”check engine” or ”service engine soon” light in the vehicle instrument pan...

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Why does my serpentine belt keep coming off?

Diagnosing Serpentine Belt Problems.Serpentine belt problems usually result from one of three causes: a defective belt tensioner; misalignment of a pulley; or, defective bearings in the tensioner, idler, or one of accessories driven by the belt (including the water pump).

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Why does my turn signal fuse keep blowing?

Turn signal fuse keeps blowing.Fuses are designed to blow at a certain amperage rating to protect the rest of the circuit.If the fuse keeps blowing, there is a short somewhere.A factory wiring diagram will need to be consulted in order to hunt down the short.

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Why does my van keep stalling on me'?

Without knowing more it could be anything. Torque converter clutch could be stuck if it stalls at a stop sign. Carburator if it stalls after it warms up or when you mash the gas pedal. Points if its old enough. Shorted ignition wire ( coil wire or distributor power or ground ) if it happens in a ...

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Why does my ignition coil keep burning out?

Here is why! The leading cause of premature failure of an ignition coil is due to a worn or bad spark plug ignition cable.A bad spark plug ignition cable will have a much higher than normal resistance.This excessive voltage creates a high amount of heat which consequently melts the coil's wire in...

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Why does my engine fan keep coming on?

Something wrong with the fan motor.If the motor's faulty then a new motor will have to be fitted.Check the engine coolant level.If your engine coolant level is too low, it means that the cooling fan will probably have to work harder to keep the engine at a normal temperature.

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Why does my temperature gauge keep going up and down?

The temperature gauge electrical sender is positioned next to the thermostat, so it indicates the drop from 75 down to 70, when the thermostat closes.If this is not happening, usually it is because the thermostat is stuck in the open position and needs replacing.

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Why does my tire keep losing air pressure?

Valve stems deteriorate and leak air due to the exposure to lots of chemicals on the road.Usually, drivers get a new set along with the new tires.However, if a tire loses air slowly yet over 1-3 psi a month, they may need replacement earlier.Over-tightening valve cores may also be one of the reas...

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Why does my tail light bulb keep blowing?

A loose connection in the lamp holder can also cause bulbs to blow.This is because the circuit is not completed as tightly as it could be and the electricity may have cause to "arc" or jump across the contact, rather than simply flowing through it.

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Why does my heat keep turning on and off?

#1: A dirty air filter The first (and most common) cause of short cycling furnace is a dirty air filter.A dirty filter restricts air from reaching your furnace's heat exchanger, which causes your furnace to overheat and then shut down.Eventually it will turn back on and the process will repeat i...

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How does my alarm keep my car from starting?

When your alarm is going off, it automatically shuts off your fuel pump and other starting components, so that a thief cannot start the vehicle. It is an anti-theft mechanism.

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Why does your 1970 Ford Maverick keep cranking sometimes even when you take out the key from the ignition?

Sounds liek your ignition switch is bad. Instead of it turning to the off position and disconnecting the electrical power to the coil which kills the engine, yours is staying in the STart or crank position allowing the currect to continue to flow. You may be able to spray some electrical contact ...

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Why does my car keep overheating after I changed the thermostat?

This will cause the flow of the coolant in the system to be restricted, causing the truck to overheat.A clog in the heater core could also cause this problem.However, if the car is still getting heat, the heater core can easily be ruled out.The most likely cause is a clogged radiator.

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Why does my car keep cutting out when I start it?

An issue with the mass airflow sensor may manifest itself when a car starts and then stalls soon after starting.When an ignition coil begins to fail, it may struggle to provide consistent spark to the plugs, causing the engine to stall after starting.

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Why does my car fan keep running after I turn it off?

It's normal for some vehicles to have a fan run for a few minutes after the car is shut off, generally to keep the engine cool.However, if the fan is running for an extended period, the fan itself can become damaged due to overuse.It's possible you may have a module or relay failing in your car.

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Why does my car keep running after turning off the key. dieseling?

Your diesel vehicle might keep running after turning off the key because there is still enough fuel in the system to allow it to idle. In many diesel vehicles, the engine is stopped by choking the fuel.

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Why does my car rpms keep dropping and you get code po171?

Not much info to go on but you could have a large vacuum leak in bank one.

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Why does my car keep running when I turn the key off?

Running-on is when the engine continues to turn after you've switched off the ignition because the fuel /air mixture is being ignited by a hot-spot in the combustion chamber.The problem can be so bad that the engine runs on for a minute or more if left alone.

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Why does my car alarm keep going off when I lock it?

Poor Connection of the Hood Latch If the car alarm keeps going off even after cleaning the hood latch sensor, the problem could be a defective hood latch connection.It can also set off false alarms because the sensor cannot respond properly to the given commands.The sensor is located near the he...

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Why does my car keep running after I turn it off?

Running-on is when the engine continues to turn after you've switched off the ignition because the fuel /air mixture is being ignited by a hot-spot in the combustion chamber.The problem can be so bad that the engine runs on for a minute or more if left alone.

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Why does my car keep cutting off when I slow down?

Malfunctioning or Clogged Air Control System So if your car shuts off when stopped or slowing down, the chances are that the valve might be malfunctioning or clogged.It means valve cleaning or replacement.Failing to do so will not put an end to such a problem.

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Why does car cranks with key in run position?

Stuck relay or the starter is wired incorrectly.

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Why does your car keep dying?

Mine? because I abuse it, that's why it goes to the race track on a trailer.Yours? I would to need to know much more detail about the symptoms to guess

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Why does my dashboard illumination fuse keep blowing on my 2007 kia sorento?

It must have a short in the circuit. It will take some detective work to locate the source. Start with the illumination dimmer control switch.

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Why do I keep losing water in my car?

If there's no water leaking anywhere, it's most likely the cylinder head gasket, and the water is leaving through the exhaust.If you open the radiator cap when the engine is running, look out for bubbles appearing in the water, also a creamy, oily deposit on the inside of the radiator cap.

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Why does your Car Keep Running?

If you mean the engine continues to run after you shut it off, then it's called dieseling. It's caused by carbon buildup on the tops of the pistons, which can get red hot (called hot spots). Sometimes after the engine has been shut off, fuel injectors or carburetors leak gasoline into the cylinde...

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Why do my car lights keep blinking on and off?

It is important to keep an eye out for the dashboard lights flickering because if the only symptom is a dead battery, then it could simply be that the battery has outlived its usefulness.The above symptoms could also point toward a blown fuse, bad wiring or a loose belt.

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Why does my cigarette lighter fuse keep blowing in my 2002 Ford Ranger regular cab?

The circuit has a short or is overloaded.

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Why does my timing belt keep breaking on my Toyota tercel 1.5 3ee engine?

If you have been installing the timing belts yourself, you may not be adjusting the tensioner correctly. Also, the valve train may be binding, causing unusual stress on the timing belt. And timing belts are not expected to last hundreds of thousands of miles. My Toyota Corolla needs a new one abo...

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