Correction from yesterdays question. My KIA optima 2004 engine vibrates at low RPMs, but when it runs over 2000 rpm, it runs smooth.

Asked by Jan 10, 2012 at 07:44 AM about the 2004 Kia Optima EX

Question type: Maintenance & Repair

5 Answers

185

There could be a problem with one of the engine mounts. If they are bent or the material inside of the mount is faulty it can cause vibration at low RPMs.

1 of 1 people found this helpful.

engine mount,tranny mount,or jumped time.

1 of 1 people found this helpful.
10

try your balance shaft belt. look under timing belt.... also do your timing belt and water pump while your there...

1 of 1 people found this helpful.

may be problem with ignition sensor faulty singal at low rpm

may be faulty ignition sensor, falty signal at low rpm

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