What cause's a Chevy lumina to tick and idle wrong

Asked by Dec 23, 2014 at 12:33 PM about the 1991 Chevrolet Lumina 4 Dr Euro Sedan

Question type: Maintenance & Repair

Euro 3.1

3 Answers

100,305

Low oil, low oil pressure, bad lifter, worn cam lobes. Bad idle could be caused by the ECM reading a knock signal caused by the tick, if it is really bad. Is the check engine light on?

Yes da check engine light is on

100,305

If you have oil pressure and the car is driveable, then most parts stores can do a computer check for you, write them down, then repost them back here and someone will help you with further diagnosis.

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