answersLogoWhite

0


Best Answer

idle airflow metre or pipe may have come off carb check both

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What would cause a car rev up and down by itself?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What would cause a car to bog down then run smooth?

what would cause my car to run fine when it has first started up then after a while first gear will kinda bog down.


What would cause the horn to blow by itself with the car turned off?

An electrical short to ground.


What would cause a vibration in slowing down a car?

Warped brake rotors.


Would the relay on your grand prix 05 would cause it to shut down?

My ignition relay was damaged and it caused my starter to go out, which cause my car to shut down.


My car broke down my friend pushed my buick with his neon would that cause his neon to throw a rod in his engine lateron?

No. It is very unlikely that pushing a car would cause a failure later.


Will a bad thermostat cause a car to lose acceleration?

By itself, the thermostat would have to be stuck closed causing a severe overheat condition to cause a loss of power.


Can a starter cause a car to stop running?

The starter itself.. that would be unlikely... but a wire connected to the starter could on some vehicles.


Why does my car jerk when slowing between 60-65 mph?

There are several problems that could cause your car to jerk when slowing down. The most common cause would be a transmission problem.


What makes the draft go faster than one car by itself?

It cuts down on the wind resistance of the car behind it, which makes that car push the other car faster than the one by itself. Because the one by itself isn't getting a push behind and its not pushed by another car which slows it down!


Would a faulty thermostat cause the engine to shut down then hours later the vehicle will restart?

doubt that a t-stat would cause a car to shut down and restart when cold check for an ignition module proublem


Why Car locks and unlocks by itself?

cause it's cool like that!


How does the mass of a toy car affect its speed going down a ramp?

The weight of the car will cause the force of gravity to push it down with seemingly more force than the lighter car. And so this would make the car go faster down a slanted surface, which is the ramp.