my engine service light is on, why


Asked by Oct 17, 2013 at 01:56 PM about the 2005 Pontiac Grand Am

Question type: Maintenance & Repair

1 Answer

Tom Demyan

There is a problem with one of your sensors detecting an issue. From a faulty O2 sensor to a vacuum leak. Scan the car for the 4 digit code and this code will tell you, us or a mechanic where to start looking for the problem.

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