What would cause my car to rev up and down?
If the engine can’t keep idling, it will keep trying to get the engine revved up to compensate. The cause of the erratic engine you’re experiencing could be a vacuum leak, sensor failure, or an EGR system malfunction.
Should my RPM fluctuate at idle?
It actually is completely normal for the engine idle speed fluctuate a small amount. Gone are the days of a mechanically adjustable idle speed screw and a mechanical cable operated throttle.
Is there a problem with rough idle when warm up?
So, once there’re visible signs of rough idling, trouableshoot the problem without causing any further delay. As reported by Car From Japan experts, most Makes getting this engine rough idle after warm up are: Though the problem is not common but drivers of the Makes had their car serviced at garages for Rough Idle When Warm.
Why is my Bandit 1200 running at 2000rpm?
At 2000rpm you are very much still on the idle jet with these things. You may need to get the carbies cleaned, including pulling the idle jets and making sure they are clear. They are tiny on these things, so it doesn’t take much gum to bugger things up. As mentioned, the needle jets may also be contributing.
What does it mean when your car is running at rough idle?
However, it is easy to recognize the problem, as during rough idling either the engine would run at an irregular rate or it may have varying RPMs without your foot on the gas pedal. So, once there’re visible signs of rough idling, trouableshoot the problem without causing any further delay. Beware If Your Car May Encounter This Problem.
What to do about a rough idle BMW?
De-carbed the throttle body and ICV, good for a day then by the second day rough idle again. Plugs are new but checked them anyway and they were wet. Took out the injectors and took them for test to see if there was a leak.