Why does my engine management light keep coming on and off?

If the fuel tank pressure sensor is unable to provide an accurate reading, it'll usually trigger an engine warning light.

One common cause of an air leak into – or out of – the petrol tank, is through a fuel filler cap that doesn't properly seal.

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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 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 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 Engine management light comes on VX commodore?

There are many reasons why the management light will come on, you will have to have the car scanned at a repair shop, the fault code that made the light come on will be stored in the engine control module, and this can be decoded by and any good shop with the correct equipment

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Why does my check engine light comes on and off on 1991 Honda Accord?

You check engine light is signaling to you that there is something wrong with you car. You should have your car looked at by a professional.

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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 check engine light keep coming on?

replace your gas cap first - cheepest try. i had a crack in a vacuum hose that made it keep coming on. You have an emssions problem of some sort. It may be the gas cap and could be many other things. Unless you are knowledgable, take it to a professional if a new gas cap does not fix it. BTW, a l...

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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 the check engine oil level light stay on and the engine keeps cutting off?

Your oil compression is down probably... check the oil pan for rust and such.

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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 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 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 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 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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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 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 do your lights inside your car keep coming on and off?

Do you mean the dome light, or, dash lites?In either case, there is an intermittent. Might be the light switch. or a bad fuse connection. Or, poor connection at fuse box. Or, pinched wire in the harness(This usually blows fuse, though.) If it is only the dome light, flickerring when a door is ope...

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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 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 do your check engine light keep coming on?

'Well I have a 95 Buick LeSabre, and the check engine light keeps coming on. So I asked a guy at car-x, and he said that usually occurs when you go really slow on the interstate.'

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Why does my door ajar alarm keep coming on and going off when my driver's door is locked?

why does my door ajar alarm keep coming on and off while driving my car.

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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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What can cause the engine management light to come on?

Faulty spark plugs/wires/ignition system If a spark plug or its wiring fails, you will notice a decrease in your engine's power, as well as it stalling from time to time.It will also cause your engine management light to become illuminated on the dashboard.

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Why does my ABS trac off and service engine light stay on?

Could be a bad ABS sensor. Needs service/replacement.

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Why does your gas cap light keep coming on?

it's leaking or not sealing properly, bad sensor and or wiring

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Why does your handbrake light keep coming on?

Because you probably still have your handbrake on.If not, than you need to see the car-doctor.

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What does it men if the engine management light comes on 1996 corsa?

Could mean a lot of things. Take your car to AutoZone and they will scan the computer in it for free and tell you whats wrong.

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Why does the warning lights come on after starting and blower motor temp tach radio come on and off randomly on my 1997 Pontiac Sunfire?

Main ground for dash is loose.

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Why would battery warning light come on and off?

cause the tensen pulley could be going bad an my need to be replaced or even your alternater pulley can be getting ready to go bad

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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 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 check engine light go off when disconnect battery and come back on the next day?

The check engine light goes on because there is a problem with the engine control system. Until the problem is fixed it will continue to come back on even after you clear it by disconnecting the battery.

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What causes an engine light to come on and then keep on flashing?

that usually means something is seriously wrong....i would take it to the shop

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The thermostat light keeps coming on and going off and now the engine is overheating with no heat coming out of the fan?

I suggest you take your car to the dealer and they might be able to fix the problem.

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Why did my check engine light and cruise control light come on after having my oil changed?

You might need to change your O2 sensor.If the check engine light came on there will be a code set in the ecm. Have your local auto parts store read the codes for you. The codes will help you find what is wrong. Something may have gotten disconnected when the oil change was done.

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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 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 the battery light come on and off when the car is running?

This could happen for different causes.1. Your battery is making contact with a surface (like the hood, seat frame or trunk battery holder.) in BMW 325 or Cadillac north-star cases.2. The positive cables from the alternation or starter are bad and making contact with the engine, manifolds or body...

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Why does your engine management light come on and the car run sluggish after you run out of diesel in a 2005 mercedes c220 cdi?

Well its not good for a fuel injection motor to run out of fuel in the first place. but try disconnecting the positive battery cable for 5 minutes or so and reconnect that should clear the light. make sure you put the right grade of diesel fuel in first. if the light comes back on it may be a dif...

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Why does fuse keep blowing panel and parking lights on my ford f 150?

Check the light sockets and wiring for the F150 panel and parking lights. Look for water in the connection, or a broken bulb. There is a short somewhere in the system. If those places are ok then the wires need to be traced to find the short.

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What does the engine management light mean on a Peugeot?

The engine management light is one of the number of warning lights that's set within the instrument cluster on your car's dashboard.If the engine management light stays on when you turn on the ignition, or if it comes on while you're driving, it means there might be a problem under the bonnet.

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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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The engine management light flashes on and off when i start the car up on a peugeot 306?

If your engine management light comes on and off then you should have your car checked. Most cars' gauges flash when the car is initially started.First make sure that it is indeed rust on your door and not something else. Once you've determined what it is on the door it can be treated. If it is r...

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Why does the check engine light go on and off on a 2003 Harley?

Because there's an intermittent issue which needs to be addressed. You need to have the DTCs (fault codes) read to find out which codes you have, what your active codes are, what your inactive codes are, and how many counts of each fault you have.

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Why doesn't the check engine light does not come on when I start my truck?

Evidently the bulb is blown out. It needs to be replaced.

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What does it mean when the odometer keeps coming on and then going off in my Chrysler sebring 1997 convertible?

If only the odometer is going blank, the cluster assembly is failing.

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Why does my oil light come on when I stop?

Since the light comes on at low engine speeds and then shuts off, the oil pump is probably fine; if the pump were dying, you'd see low pressure at high engine speeds as well.The most likely culprit is the sensor that operates the light.If it does, you might be due for a new oil pump after all.

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Why does my coolant light come on when its cold?

Engine coolant has a variable volume that changes with temperature.When cold, it takes up less space and could therefore be below the coolant level sensor (if equipped).If the light no longer comes on when starting, monitor the level to determine if coolant is leaking or being consumed through a ...

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Why does my emergency brake light come on randomly?

If it remains lit after the parking brake is released or if it turns on and off intermittently while you're driving, it means you need to add brake fluid.If you check the fluid, add as needed and the light still doesn't turn off, you'll need to have the brake system inspected.

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Why does the fault light keep coming on after ive changed both sensors on your galaxy?

you have to reset the computer

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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 your oil light keep coming on even with a new switch fitted and a oil change on my 55 reg corsa cdti?

low oil pressure could be bad bearings or stuck relief valve

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Why does my diesel engine keep running when I turn it off?

When your engine keeps running after shutting it off, you'll hear it firing or coughing.This condition is also known as after-running or dieseling because combustion of the air-fuel mixture happens without the presence of the spark, just like in a diesel engine.

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Why is my car shaking and check engine light on?

Check engine light flashing car shaking is a clear sign of trouble.Vibration or shaking may be caused by misfires, poor fuel pressure, or faulty spark plugs.You should also know that a defective idle air control valve might make the engine idle drop significantly.

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Why is my engine light on and car jerking?

When your car is jerking around, this means that the engine is having a misfire and causing the engine to stumble making the vehicle seem to jerk around.Check the camshaft position sensor for any damage and if the harness is secure to it.Check the spark plugs and wires to see if they have any bur...

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Why is my check engine light on and car shaking?

Check engine light flashing car shaking is a clear sign of trouble.Vibration or shaking may be caused by misfires, poor fuel pressure, or faulty spark plugs.You should also know that a defective idle air control valve might make the engine idle drop significantly.

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Why is my check engine and battery light on?

The battery light will come on if the charging system and battery voltage drops below a minimum set by the factory.The check engine light is letting you know that there is a problem that a code has been set in memory that can be diagnosed.Check the charging system and repair or replace the altern...

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Why won't my Dash lights come on?

Dash lights may have problems coming on because there is a problem with the dash fuse. It is important to get a specialist to check the wiring and the fuse status.

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Why did my DRL light come on?

Usually, if the DRL light is on, it indicates that the computer has detected an issue.This light should turn off afterwards once the system verifies that everything is working as intended.Typically, a faulty bulb may be the culprit, but there are fuses and relays in the circuit that can cause sim...

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Why is my car shaking and engine light on?

Check engine light flashing car shaking is a clear sign of trouble.Vibration or shaking may be caused by misfires, poor fuel pressure, or faulty spark plugs.You should also know that a defective idle air control valve might make the engine idle drop significantly.

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Why is my traction control and check engine light on?

The Traction Control Light indicates your car's traction control system is active.Traction control is necessary to maintain grip in slick conditions.Common signs include the Check Engine Light coming on, car braking inconsistently, and the traction control switch not depressing.

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Why would my security light come on?

The security light is a visual indication that something in the car's antitheft system is failing.The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key.This is why the security light turns on and shuts down your vehicle.

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Your 1994 ford probe gt ck engine light comes on and off what should you do?

I'd take her to a schucks, checker, Kragen, or CSK and plug the diagnostic computer in to car and see what she needs. my guess is it's a bad sensor somewhere.

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What would cause check engine light to come on and off?

When the sensor is faulty, the computer cannot properly adjust the air/gasoline ratio and the light comes on.A malfunctioning sensor can cause loss of engine power and will eventually foul your spark plugs and catalytic converter.

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What cause the volkwagen check engine light to come on and off?

There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.

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Why does your delta 88 Oldsmobile emergency brake light keep coming on?

Frozen cable not fully releasing? Bad switch at top of emergency brake pedal? Low brake fluid level in master cylinder?

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Why does overdrive light flash on and off?

All it means is that the overdrive in your car is off.If your overdrive light is flashing or blinking, you are not going to be able to correct the issue by pushing a button.It means that something is wrong with your car's transmission – perhaps the range or speed sensors, or the solenoid.

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Why does your Crown Victoria lights blink on and off?

well there is a lot of reasons for that matter the turning signal may be left on, you may have left on your caution lights, or if the car has an alarm system it may use the lights to indicate that you have locked or unlocked your vehicle or if you did not lock your vehicle the vehicle may be prog...

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Why does your oil light keep coming on your peugeot 207?

Low oil pressure, or the oil pressure sending unit is defective. If the oil level is full, then the oil pump is weak or the sending unit is bad. Replace the oil pressure sending unit and see if that solves the problem. If not, seek professional help. Do not continue to drive the car in this condi...

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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 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 would my abs light and traction light come on a 2007 Saturn Vue?

The Anti-Lock Brake System and Traction Control System work together. The module detects a problem with the system. You need to have the system scanned and checked for codes to determine what's going on. Your friendly local auto parts store should provide that service for zip if you buy the parts...

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Why does my check brakes light come on in my 1994 Pontiac sunbird and the brakes check out good?

check brake fluid level under hood probaly low

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What does it mean when service engine light comes on then goes off?

it might be the o2 censor starting to go out

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Why did my check engine light turn off?

Reason #1 – A Loose or Faulty Gas Cap – Yes, surprisingly this can cause the Check Engine or Service Engine Soon light to come on.Start by taking the gas cap off and putting it back on.You'll then need to drive the vehicle a few times to get the Onboard Diagnostic (OBD) system to reset and turn t...

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Why don't my brake lights come on Polo brake lights don't come on?

Check these things:1. Are the bulbs okay? 2. Are the fuses good? 3. Using an voltmeter or circuit checker see if ther is power at the bulb connector. 4. Finally check the switch at the brake pedal.

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Why want my lights come on in my car?

Could be the dash light switch is turned off.

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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 your dashboard light and clock light go on and off when breaks are applied?

Check the brake light bulbs, one may be incorrectly installed.

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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 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 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 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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Why does my Car radio turn off and on?

The wires are proboly came loose or something.

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Why does my furnace blower turn on and off constantly?

The system uses a “temperature probe” to detect temperature changes inside the heat exchanger (see image below) and turns your blower on and off in response.So if your furnace blower is turning on and off when the furnace isn't in a heat cycle, it usually means the fan limit switch is defective.

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Vectra engine management light reset?

disconnect battery for 15 mins...if it come back on there is a reason for the light being on...if so google vectra management light paperclip...hope this helps

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Why does my furnace turn on and off repeatedly?

Why a Clogged Furnace Air Filter Can Cause Your Furnace to Turn On and Off Repeatedly.If you remember from our orientation up above, the most common cause for your furnace to keep turning on and off is the High-Limit Switch, which turns the unit off if the temperature inside gets too high (as a s...

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Why does my AC compressor turn on and off?

Short cycling, when the compressor constantly shuts on and off, is one of the most common air conditioning problems.Several conditions cause short cycling, including a faulty or obstructed thermostat, leaking refrigerant, icy coils or an HVAC system that is too big for the building in which it is...

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Why does my HVAC turn 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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What does it mean when brake light COMes on and off?

This light is the parking brake warning light.It illuminates to show that the parking brake or emergency brake is engaged and must be released before driving.If it remains lit after the parking brake is released or if it turns on and off intermittently while you're driving, it means you need to a...

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Why did my check engine light come on after an oil change?

These lights can signal something serious or something as simple as a loose gas cap.Regardless, diagnosing the problem is key.One thing that won't trigger a check engine light: a recent oil change that was done correctly.If you notice the light after an oil change, something else is wrong.

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What does a flashing engine management light mean?

A blinking light usually indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system.There it can quickly raise the temperature of the catalytic converter to a point where damage is likely, requiring an expensive repair.

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When i start the car it sounds like a tank and the engine warning light keeps coming on.?

probabaly a knock sensor going off

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Why is check engine light blinkling on and off on 1996 mercury cougar?

If the check engine light is blinking that means that an engine cylindermisfire has been detected . You can drive it in for repair , just avoid anyrapid acceleration or deceleration because you can damage the catalyticconverter

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Engine management light on what will fix it?

You must take it to the dealership or a mechanic shop and have them use a scan tool to display the trouble code. You then look up the code and it will tell you the problem.

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Is it OK to drive with engine management light on?

Engine management light Safe to drive: Yes, if it's always lit and there's no loss of power.You should get it checked as soon as possible.No, if it's flashing while you're driving.If there's a problem, the sensor will tell the engine control unit (ECU) which will turn on the engine management li...

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Why is my engine malfunction light on?

The light could be a minor issue, such as a faulty gas cap, or it could mean something more serious, such as a misfiring engine.The check engine light — more formally known as the malfunction indicator lamp — is a signal from the car's engine computer that something is wrong.

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Why does brake warning light come on?

If the brake warning light comes on when you apply the brakes, or is on continuously, it means that hydraulic pressure has been lost in one side of the brake system or that the fluid level in the master cylinder is dangerously low (due to a leak somewhere in the brake system).

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Why does power steering light come on?

For vehicles with hydraulic power steering, the most common reason for the power steering warning light is that the fluid level is low.This is often caused by a leak in one of the hoses.Open your bonnet and locate your steering wheel fluid reservoir.

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Why is my check engine light on?

Your Check Engine Light may be indicating a simple problem that's easy to fix—such as a loose gas cap that needs to be replaced.A flashing Check Engine Light indicates that your vehicle's engine is in serious trouble, whereas a steadily lit one means less urgent service is needed.

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