What would cause a speedometer to vary in readings while driving at one speed?

Cars & Vehicles
Auto Parts and Repairs
1995-2005 Chevy Cavaliers

well one of the problems might be the speed-do cable either being old or needs to be tighten.

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What causes a speedometer to read error?

either over or undersized tires or other than stock gears ? or a svv valve or instrument panel goin out...

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What causes the speedometer to fluctuate radically while driving?

A bad/dirty vehicle speed sensor (vss) or bad wiring will cause this.the sensor is usually a magnetic pickup and any metallic dust stuck to it will affect the signalclean the sensor or get a new one

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What causes a 2001 vw to shut off intermittently while idling or driving at slow speed?

check the crank shaft actuator?

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What would cause a wheel to fall off while driving?

Any number of issues could loosen a tire, causing it to fall off while you are driving.Most of these incidents occur because of some kind of fastening failure.This could be because the lug nuts worked their way off, your wheel has broken lugs, or because the wheel studs themselves broke.

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What would cause a car to shut off while driving?

When the ignition switch is worn down, there can be a loss of power to the engine because of vibration like hitting a rough patch of road.This loss of power causes the engine of the car to die while driving.Something is wrong with the fuel pump.

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What would cause a car engine to stop while driving?

The car can lose engine power for many reasons, from running out of gas to having a faulty fuel pump, alternator, or other failure.If you're driving and the ignition key moves or is moved to the accessory position accidentally, try putting the gear lever into neutral and restarting the engine.

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What would cause a vehicle to stall while driving?

Car engines quit because of a variety if issues around air flow, fuel or mechanics.Some common reasons for motor vehicle stalls include: A fuel mixture that isn't rich enough (this is usually the cause of cold stalling and intermittent stalling) A faulty fuel pump, alternator or EGR valve.

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What kind of speed is read by a car speedometer?

The average speed of the vehicle relative to the road.Miles per hour.

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What would cause my car to cut off while driving?

When the ignition switch is worn down, there can be a loss of power to the engine because of vibration like hitting a rough patch of road.This loss of power causes the engine of the car to die while driving.Something is wrong with the fuel pump.

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What would cause my car to shut off while driving?

When the ignition switch is worn down, there can be a loss of power to the engine because of vibration like hitting a rough patch of road.This loss of power causes the engine of the car to die while driving.Something is wrong with the fuel pump.

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What would cause my semi to shake while driving?

The two most frequent causes of a shaky steering wheel are either warped brake rotors, which will cause your steering wheel to shake when you brake, or unbalanced tires, which will cause your steering wheel to shake when driving at high speeds.

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What causes a car to idle rough and jerk while driving at a constant speed of about 40mph?

Depending on the make of the vehicle, it could be any number of things. It could be a plugged fuel filter, air filter, vacuum leak, ignition problems, etc.

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Does speedometer of a car read average speed?

The speedometer of a car reveals information about the instantaneous speed of your car.It shows your speed at a particular instant in time.On the average, your car was moving with a speed of 25 miles per hour.

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Is speed sensor cause to thump noise while slowing down to stop in AT cars?

A speed sensor wont thump but a speedometer cable might go thump, thump, thump, if it is rubbing against the casing. Also sometimes the transmission will feel as if it thumps when it downshifts.Could also be a warped brake rotor causing that when stopping.

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What would driving in first gear at highway speed for 30 minutes do to a car?

Common cars can't do highway speeds (65 mph) in first gear and many have rev limiters.

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What would cause a drop in speed while going uphill if the transmission has slipped before?

A drop in speed while going uphill is normal for most vehicles. If the speed is more than 20 mph slower than when first ascending the hill, there could still be a problem with the transmission or an oxygen sensor.

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What would cause a whistling sound when you turn the wheel to the right while driving?

Common problem, easy solution, three possibilities only. Either, the power steering fluid is low or one of the belts at the engine need to be replaced or the power steering pump is worn and needs to be replaced. Check to see how much fluid is in the power steering pump, if full then replace every...

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What should voltmeter read while driving?

Fully charged automotive batteries should measure at 12.6 volts or above.When the engine is running, this measurement should be 13.7 to 14.7 volts.If you don't have a multimeter to tell you the voltage of your battery, you can do a test of your electrical system by starting the car and turning on...

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While driving what causes a mid pitched sound that increases in pitch as speed increases?

Type of vehicle would help but, a wheel bearing could cause that.OP Edit: Sounds as though its coming from something under the hood. It's not associated with RPM. I just got my oil changed by "professionals". could it be some sort of belt?Some times a little anti freeze spilled onto the belts can...

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What would cause a 2005 Mazda MPV V6 to stall out while driving?

There is a small hose that will get a hole burnt in it. It will cause a vacuum leak and the engine will stall out during idle. It is located behind the top valve cover and unless you are real good you will have to take it to a dealer. You also might have a couple of sensors burnt out also. All wi...

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What would cause a 95 dogde intrepid to turn off while driving?

If it has high mileage, it could be the timing belt at fault.

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What would cause a 1998 Cadillac deville to cut off while driving?

One reason a 1998 Cadillac Deville would cut off while driving could be the fuel pump or the car is out of fuel. Another reason could be the spark plugs.

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What would cause a car to just stop running while driving?

When the ignition switch is worn down, there can be a loss of power to the engine because of vibration like hitting a rough patch of road.This loss of power causes the engine of the car to die while driving.Something is wrong with the fuel pump.

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What would cause fuel gauge bad reading?

a couple of things could cause this. depends on what kind of car. the wires could some how be shorting out to the guage itself. the guage could b bad. if the fuel pump is in the tank you will have a floater in there that could be off or the pump itselfcould b bad. sometimes you can oil the needle...

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What would cause my 2008 dodge ram stall while driving?

Could be, contaminated fuel (water),plugged up/dirty fuel filter,faulty fuel pump,faulty fuel pressure regulator.If the check engine light has illuminated, investigate the codes. The codes may give you a clue.

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What would cause voltage gauge to drop to 0 while driving dodge ram 1500 5.7?

Well, kinda need to know if it did anything else. If the vehicle continued operating at normal, probably a fault voltage gauge or regulator. If you actually lost all power, the whole thing would shut down.If it was a temporary loss of power, then it kicked back to normal, you're probably looking ...

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What would cause a car to sputter while accelerating?

It is then mixed with air and ignited.Fuel injector nozzles can become clogged over time, which can lead to a sputtering engine, slow acceleration and the car not having enough power.Bad or Dirty Spark Plugs: Spark plugs are responsible for igniting the fuel in the combustion chamber.

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What would cause a 2003 sonata to die while idling?

its because your really fatgo on a diet u fatty.

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What would cause a car to die while idling?

Worn or fouled spark plugs – ignition misfire can make your engine stall at idle.Leak or obstruction in the intake or fuel system that affects your engine's ability to take in air or fuel.A defective idle speed control system may prevent your engine from getting enough air to idle properly.

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Would driving at slower speeds conserve gasoline?

Yes and i have proven this two trips done going the same distant one doing 65 the whole way and another doing 75 the whole way i had more gas left doing 65 then 75

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What would cause death wobble at speeds of 30 to 40 miles per hour in a jeep?

bad or lose tie rod ends or a bent rim

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What causes RPMs to drop while driving?

However, when the engine RPM drops below the normal range of 800 RPM (for most cars), it is more than likely that you are dealing with an IAC valve problem.In cases where this valve is clogged or is failing, your vehicle will stall instead of slowing to an idle after the release of the throttle.

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What causes Transmission to slipp while driving?

The surface of the clutch bands is worn away Just like a manual clutch when the friction material is worn away all you are left with is bare metal which will slip whena load is applied

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What causes wheels to squeak while driving?

Sometimes, this shield may touch the brake rotor and cause a squealing sound, which will be eliminated, once the shield is aligned properly.The most common reason for squealing when driving is worn out brake pads.Stuck pins in brake caliper assembly can also cause a squealing sound.

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Will speedometer readings be more or less than actual speed when the cars wheels are replaced with smaller ones?

If the outside diameter of the new wheel (tire) is smaller then the tire will have to make more revolutions to equal what the manufacturer calibrated the spedometer to. The result would be your vehicle reading higher than actual speed. The solution it to make sure the vehicle is recalibrated to t...

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What is a car's speed in kilometers per hour when the speedometer reads 60 miles per hour?

All you need to do is divide the MPH by 5 and multiply by 8 which gives you 96KPH

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What would cause your car to squeek constantly while you drive it?

A bearing, bushing or other rubbing surface has worn or dried out, or the brakes have worn down to the wear sensor. Either way, it's not a good thing. If the noise changes pitch when you touch the brakes, it's probably the brake wear sensor, get the brakes fixed right away. If not, it could be a ...

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What causes engine to surge while driving?

If an engine is not getting enough fuel (this is called “running lean”), due to fuel pressure (regulated by the fuel pump and regulator), restricted fuel injectors, a vacuum leak or really anything that throws off the fuel mixture going in to the engine, this can cause the surge.

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Would lack of oil cause a 1995 Lincoln town car to shut off while driving?

Failure to maintain the proper engine oil level could result in serious engine damage leading to the engine to shut down.

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Would a coolant temperature sensor cause the engine to stal and run bad while driving?

Yup it could, the coolent temp sensor tells the injectors to either spray more fuel on start up or less fuel when warmed up..it could be running rich and be causing the car to run poorly..

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Would a fuse cause your lights to flash on and off while driving down the road?

perhaps if it was loose or the conductor was cracked.

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What would cause an instrument cluster to stop working while driving?

Fault in the circuit, bad or loose ground, bad relay or fuse, CECU failure or multiplexing error in vehicles so equipped.A loose connection, a short, a blown fuse, the year, make and model info would help also.

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What would cause your 2002 Honda civic to jerk while driving?

A bad tire can cause your 2002 Honda Civic to jerk while driving. A bad ball joint can also cause this issue.

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What would cause sterring wheel to jump on its own while driving?

Bent drive shaft...Wheels not balanced..Tracking incorrect....Power steering fault...Could be any one of these.

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What would cause my engine to rattle when idling but not at high speeds?

The easiest ways to find the general source of rattles is either by observation or get a long screwdriver or thin stick, put one end to different parts of the engine and press the other just in front of your ear where the jawbone hinges. BEWARE OF MOVING/ROTATING PARTS. Where the noise is loudest...

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Would it be possible to attain an average speed of 70kmh and never exceed a reading of 70kmh on the speedometer?

Only if you are able to set the cruise control to 70kmh and you aren't counting acceleration and deceleration times into your calculation. Not to mention you can't get "boxed in" in traffic. Its possible but hardly practical unless you live in a desolate area.

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What is causing the vehicle to sway at times while driving?

I have a 98 infinite qx4 (from what I was told its just like a pathfinder) that was swaying/rocking. I changed the whole front end and some of the back. I even got different tires, but the whole time it was the bushings. If you're able to move the Controll arms side to side that's a bad sign. The...

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What would cause a car to stall after driving approx one hour?

I would check the ignition system. Warmed engine stalls can be caused by a failing ignition coil or coil pack. Pull a plug wire, crank over the engine, and evaluate the color of the spark with engine cold and engine hot. Snappy blue at cold and weak yellow (or none) at hot and it's time for a fre...

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What could cause a 1993 Galant to stall while driving?

I have a 95 galant that would just quit running at a stop or even driving it would just loose all electrical power. It turned out to be the cheap alarm system they put in it. when i removed the alarm it quit having the problem.

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What causes a car to lose power while driving?

a clogged fuel filter and dirty fuel.

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What causes a steering wheel to shake while driving?

The most common reason for a car to shake is related to tires.If the tires are out of balance then the steering wheel can shake.This shaking starts at around 50-55 miles per hour (mph).If your steering wheel shakes while you are braking then the problem could be caused by “out of round” brake rot...

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What causes a car engine to stop while driving?

When the ignition switch is worn down, there can be a loss of power to the engine because of vibration like hitting a rough patch of road.This loss of power causes the engine of the car to die while driving.Something is wrong with the fuel pump.

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What causes a car to sway while driving?

Bounce or sway while driving a car can be caused by faulty struts, shocks, or worn out tires.Check and inflate car tires to begin the diagnosis.Unless intentionally powered by hydraulics, a bouncing vehicle while driving can be stressful and annoying.

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What causes a car to cut off while driving?

When there is something wrong with the alternator, the car runs off of the battery.The battery can only run for so long before it's completely drained.Malfunctioning ignition switch.This loss of power causes the engine of the car to die while driving.

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What causes a car to skip while driving?

Typically when an engine 'skips' it is due to an ignition misfire.It can be caused by a fuel delivery or ignition system component failure.If this is a random problem, it could be as simple as caused by "dirty fuel" or a loose wire somewhere.

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How come a speedometer would all of a suddeny read zero and not go up?

if it is a cable, either it has broken or com loose at one end. if it electronic, it could be grounded, blown fuse, disconnected or speed sensor could be bad.

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What would cause a vehicle to lean to one side?

The most common causes for a leaning vehicle include: a binding shock absorber or strut.a bad spring or torsion bar.bent suspension parts.

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What causes a cars rpm to suddenly jump while driving?

What can cause the RPM on a car to jump while driving is a problem with the transmission. It could be a problem with the gears in the transmission itself.

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What causes a car not to get gas while driving?

Any of these or any 2 of these or all at once. 1) You run out of gas or fuel. 2) A pipe leak from the tank. 3) The fuel pump stops working because of a blockage or mechanical failure.

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What causes a car to rev up while driving?

If you have an automatic transmission and it "slips" while you are driving it—that is, the car engine revs without the power going to the wheels—the most common cause (though not the only possible cause) is low transmission fluid.

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What causes a car to jerk while driving?

What causes a car to jerk while driving can be based on many factors. A car can sputter due to engine compression issues, bad transmission, engine misfire, bad spark plugs or even low fuel.

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What causes a vehicle's RPMs to rev up while driving?

If you accelerate and the transmission shifts to a lower gear of the overdrive disengages the RPMs will increase. If the vehicle has a manual transmission a slipping clutch will cause the RPMs to increase if the clutch is defective.

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What causes a car to just die while driving?

If your vehicle stops running while you were driving, we call that a “Died in flight” situation.The main causes of a died in flight are a bad alternator and dead battery, a loss fuel, a loss spark, a loss fuel and spark, or a loss of compression.One common problem is a dead battery due to a bad a...

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What causes a car to stop while driving?

the brakeMoreAlso losing all transmission fluid will cause your car to stop while driving.So will crashing into something.

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What causes a 1996 Altima to stall while driving?

Oil in the distributor.

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What causes a jeep to shake while driving?

Common Causes of This Condition If you've lifted your Jeep more than three inches, the problem may lie in a misaligned drive shaft.When this happens, the increased angle of the driveshaft between the transfer case and the front axle tends to put excessive strain on the universal joints.

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What causes a truck to jerk while driving?

Fuel lines are responsible for the flow of gas throughout the engine system.If it is faulty or if there's a leak somewhere, a pressure is lost, thus causing the car to jerk.A disruption in the flow of fuel from the tank to the engine will cause the car to hesitate during acceleration, which will ...

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What causes a car to buck while driving?

Common reasons for this to happen: Clogged Fuel Filter: Over time and through normal use, your fuel filter will become dirty and clogged.When this happens, the flow of gasoline to your engine diminishes, which can cause hesitation and bucking.If they're worn out, your engine may spit and sputter.

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What causes a car to just shut off while driving?

When there is something wrong with the alternator, the car runs off of the battery.The battery can only run for so long before it's completely drained.Malfunctioning ignition switch.This loss of power causes the engine of the car to die while driving.

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What would cause the speedometer of a car to jerk around?

Needs lubrication, use only speedo lube from parts house, not motor oil, it is special oil, ask for it.

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Your speedometer stops at a speed does my car top out at the same speed?

yea newer cars have a speed limiter, like my lancer, they top out at a certain speed to be safe. Usually around 100+ mph. by the way how fast are you driving to notice this? My car tops out at 115 and ive never reached it except at the track... So yeah slow down.

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What causes a transmission to click while driving?

no tranmission fluid in it or it maybe your tranmission is bad because you keep grinding your gears up but for a automatic its your transmission fluid

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What causes a 1999 suburban to hesitate while driving?

One thing that it could be is that your fuel injectors are clogged. You may also just have some bad gas in your vehicle.Ê

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What causes a car to stop accelerating while driving?

GM recently recalled millions of cars due to a faulty ignition switch that can cause engines to turn off.But a car can lose power for many reasons – from a faulty fuel pump or alternator to the car simply running out of gas.If your engine has stalled and won't start, start braking and steer to th...

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What causes a car to run hot while driving?

By a large margin, the most common cause for engine overheating is simply a low coolant level.Your engine's cooling system relies on coolant to circulate and remove heat from the engine.No amount of running the heater in the summer will help if you don't have enough coolant in the radiator to tra...

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What causes a car to lose electrical power while driving?

Reasons For a Car to Suddenly Lose Electrical Power Driving a car with a dead battery can also damage the alternator.Provide a failsafe if something draws too much current.The engine may not start, or you may suddenly lose all electrical power while driving.The engine won't start.

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What can cause a 2006 f350 to get pushed sideways back and forth while driving at any speed after turning any corner?

a severly bad track bar, loose wheel, or really bad joints. a worn steering gearbox could also give the symptoms you are speaking of. i would need more specific descriptions of your issues to further help you.i would start with checking the track bar and the gearbox.

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What causes your car to speed up while going downhill?

When it goes up a hill it will slow down.On a flat surface, it will keep going at the same speed.The change in speed on slopes is due to gravity.When going downhill, objects will accelerate (go faster), and when going uphill they will decelerate (slow down).

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What causes a car to shake at high speeds?

The most common reason for a car to shake is related to tires.If the tires are out of balance then the steering wheel can shake.This shaking starts at around 50-55 miles per hour (mph).It gets worse around 60 mph but starts to get better at high speeds.

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What would cause a car to cut off while in motion?

Not knowing what prior symptoms were being experienced before this happens, the causes can be any of the following:* ran out of gas * battery died (yes, this can happen while driving if the alternator conks out) * ignition switch problem * fuel pump quit or fuel filter is clogged

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What would cause gauges on a car instrument panel to read erratically?

In drivng a jacked up truck, my gauges very seldom read right. For one, if you have a lifted or lowered car or truck, the gausges are going to be slightly off. 2. your alternador may be going bad or have a loose battery wire.

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What causes your car to hum at a higher speed?

I don't have proper knowledge about this. There are many safety guidelines that you should follow up. Many car crashes create every year because of reduced visibility. Lack of visibility may be due to weather conditions, road conditions, or conditions involving your own vehicle. When your car mee...

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What causes a car to wobble at high speeds?

The most common cause of vehicle wobbles in this speed range is a bent wheel or mildly out of round tire.The most common cause of vehicle shakes at 50 mph or higher is tire balance.Again, transmission or drive lines can cause this, but the tires should be the first thing to have checked.

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What would be the part of ac compressor causing the car to whine at high speed when compress kick in?

That has to do with the a/c copmressor needing to be replaced. The odds are the compressor has probably seized. Because it is still connected to the belts driven off the engine ect, the sound you hear is the compressor being forced to turn. It's not actually working. Drive around with the a/c off...

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What would cause my car to shake while accelerating?

These are one of the main reasons for a car shakes when accelerating.The first thing you should check is if they are firmly attached to the wheels.A loose tire not only causes vibration but can also lead to major accidents.Unbalanced tires could be another source of shaking.

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What causes a speedometer to malfunction?

There are several common causes for a speedometer to stop working.Typically, these malfunctions are caused by, a broken gear in the speedometer system, a speed sensor issue or a faulty engine control unit (ECU).A malfunctioning speedometer may also be due to damaged wiring.

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What would cause a 1990 acura integra to lose power and stall while driving then start while in park. but stall out again in gear and now wont start at all?

could be a bad fuel pump or fuel filter. have a friend crank the car as you bang on the fuel tank.this can some times free up the trash on your fuel pump.

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What would cause my car to stall while idling?

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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How does a car outside thermometer compensate for different air flows at varying speeds?

They don't, there usually in a sheltered position so there is no airflow.

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What causes a squeaking noise while driving?

In some cases, this squealing noise may be due to a worn out axle or wheel bearing.Every car model has its unique set of problems but squealing noise is one of the most common ones.It can almost always be traced to worn out brake pads or loose belts.

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What causes a whistling noise while driving?

Whistling Where is that whistling noise coming from? If you only hear this noise inside your car while driving, there is most likely an issue with your vehicle's weather-stripping.Constant circulation of air and cooling fluid through your car's engine can cause small cracks in hoses, breaking th...

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Could driving at high speed cause a fuse to burn out?

anything can cause a fuse to burn out. it's not anything to be worried about just replace the fuse and move on

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Why would a car sputter at low speeds when in drive?

If a car is sputtering at low speeds when driving one thing it could be is a clogged fuel filter. Another possibility is the catalytic converter could need replaced.

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What would cause bouncing at high speeds on a semi truck?

Bad mount on the steers, worn/loose/damaged steering components, axles out of alignment.

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What causes a humming noise while driving?

Most of the time a humming noise while driving is caused by tires chopping or cupping.If the noise becomes louder at higher speeds, the wheel bearings could be the cause.The best way confirm the cause of the noise is to have a certified technician put the car on a lift and spin the wheels.

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What would cause a 99 Gmc safari to shut down while driving an them not start again?

The engine needs fuel, compression and spark to run, one of those is missing. Being a GM product my money is on a faulty fuel pump.

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What could cause a car to shake at 20mph to 30mph then stop at higher speeds?

Could be wheel balance.

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What causes a car to overheat while driving and only leak antifreeze while stopped?

your cooling fans are not kicking in. They make have clutches that have gone bad. they need to be replaced. Also check the themostat

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What does the speedometer of a car read?

The speedometer of a car shows its instantaneous speed (as we understand it) and not the average speed.Technically, instantaneous speed is also average speed, but calculated over a very, very small time period.Speed is nothing but a ratio of distance traveled and time taken.

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What would cause a 94 Tracker to run great at low speeds but blows coil fuse when accelerating?

That's an interesting problem i would test the coil, if that's not the problem i would check the wires for a short and high restance,

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