VIBRATION

1997 Geo Prizm

Tiny

kdothusker

August, 24, 2009 AT 3:16 PM

Engine Mechanical problem
1997 Geo Prizm 4 cyl Front Wheel Drive Automatic 212000 miles

My daughter's 97 Geo vibrates badly when idling either in gear or in park. The vibration quits as the engine is revved up. Any idea what may be causing the vibration? Thanks.

FOUND 3989 RELATED QUESTIONS

3 Answers

Tiny

mhpautos

August, 24, 2009 AT 5:40 PM

Hi there,

You may have a low speed miss fire or the idle is way to low, start with a tune up first and do a scan to check for any unresolved fault codes, and as a precaution check all engine & transmission mounts, start here.

Mark (mhpautos)

Tiny

BLUMONSTER

September, 3, 2009 AT 4:35 PM

My car is a 94. Spark plugs, wires are new but they did not solve the problem. Is it possible to visually diagnose if the issue results from mounts? Just by looking at- and if reachable- by feeling them?

Thanks.

Tiny

mhpautos

September, 3, 2009 AT 6:15 PM

You need to place a jack under the sump, use a block of timber so not to do any damage, and take the engine weight slowly, check to See how much movement there is in the mounts.

Mark

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