1991 Pontiac Firebird "intermittent engine vibration" Questions

...off, and the cycle then repeats. You probably have a slow leak, if it still has enough to kick on intermittently. A 12oz can of freon should bring it up to the point where the compressor will stay ...

...keep RPMs below 2000 to eliminate the vibration. What is causing the vibration? check your engine support, if it is ok check your tie rods and stabilizers or might as well have your wheels

...vibration and now the engine light is on and the car is running rough like the spark plug is out again. What could be be the cause of this? Depending on the code, it could be a coil or fuel injector ...

idle vibration there is an intermittant vibration at idle. It increases and is constant when in drive and the brake on. No problems when in motion; only at stop Is the check engine light on?

Intermittent vibrations in the front of a vehicle, such as a 2015 Ford F-150, can be caused by various factors. While it's challenging to diagnose the specific issue without more information, here are

...vibration occurs only when the engine is around 2000rpm, check the pulleys, serpentine belt and anything driven by it for looseness. Also, check the trans mount to see if it is loose or broken. If ...

intermittent at front driver's side under engine area. Can't pinpoint. Noticeable when traveling at 55+ speed. 53000 miles is it a buzzing type sound? That can happen both the driver and passengerside

...mounts for me to check out. Otherwise, it may be a misfire problem and only running on 1 cylinder

...intermittent vibration when I drive my new car. Purchased less than 1 month ago with only 300 miles on it. Had service tech test drive it a week ago. He found nothing wrong. I'm still having the ...

...s type ,2000, 107,000 miles, orange engine light intermittent started today, vibration through car, feels like engine restricted revs, power Could be misfires - get the codes read this will tell