1999 Pontiac Grand Am Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 Pontiac Grand Am
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1999 Pontiac Grand Am ProblemsNo Start Due to Failed Passlock Sensor
The passlock sensor in the ignition lock cylinder may fail causing an anti-theft system fault and a no start condition. Our technicians tell us that the ignition lock cylinder should be replace to correct this condition.
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell us that operating the engine with a coolant/oil mix can result in internal engine damage. Replacing the intake manifold gasket should correct these leaks.
1999 Pontiac Grand Am QuestionsWhat could be causing my car to throttle & accelerate on it's own upon starting? (1 answer)
It happens upon starting the ignition. It throttles up to 2+ in park and accelerates without the foot on the gas when in drive or reverse. It happens randomly & has happened about 5 times since buying it in September 2015.
How do I set it or learn it?
I have code p1336