Where is this vibration coming from?

Asked by Apr 17, 2017 at 08:47 AM about the 2002 Chevrolet TrailBlazer LS

Question type: Maintenance & Repair

When I'm in my vehicle, either in park or drive, there is a vibration going all throughout the vehicle.  I took it to a mechanic shop, no codes showed up, no lights are on in the dash.
Could the engine not firing on all 6 cylinders cause this vibration?  Could it be a fouled spark plug?
Thank you for any help.

2 Answers


It could be an engine miss but there would be a code. Have the flex plate checked for cracks, and check the torque converter bolts. This causes a definite vibration.


Motor mounts are a common cause for vibration on our platform.

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