Vibration on the engine, I changed the motor mounts already and there is still the vibration. It's when I'm idle (or stopped) it vibrates a lot. gets worse when I turn on the a/c. Trucks runs ok, it's only when I'm stopped when it vibrates like crazy. I would like to know what would be the next step.
Check the idle control system, also check if all the injectors are working. Provided you already changed the spark plugs.
I have the same problem with my 2005 Chevy Trailblazer. Feel vibration at idle when car is in drive but goes away if I put car in neutral, reverse or park. Doesn't happen all of the time but is getting more frequent. I had the motor mounts changed whic seemed to make the vibration go away for a short time but now is back. Changing out the spark plugs didn't make a difference with the vibration. Also, had something done to remove carbon buildup in inductions system?? Any other advice or suggestions on what might be the problem????
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