1990 Pontiac Grand Am Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Pontiac Grand Am

1990 Pontiac Grand Am Problems

Intake Manifold Gaskets May Leak Coolant or Engine Oil

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.

Engine misfire due to ignition coil housing failure

The ignition coil housing may fail causing an engine misfire on one or more cylinders.

Front Brake Rotor Wear Can Cause Pulsations

Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians tell us this condition is best corrected by replacement of the front rotors and brake pads.

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1990 Pontiac Grand Am Questions

I do not have power windows. my crank is frozen. (1 answer)

car will only run for a few seconds (2 answers)

my car will start but only stay running for a few seconds. on start up fuel injector shoots fuel once running injector does not work. i replaced oil sending unit and even the ecm and still the same results i also pulled the injector out and cranked engine fuel flows consistantly through. if i pou...

I have a 1990 Pontiac 60000-Le with 3.1 liter engine. Have changed to map (1 answer)

sensor but still have driveability trouble.

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