1990 Pontiac Grand Prix Repair and Maintenance

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

The high pressure power steering hose will commonly leak fluid; it should be replaced.

The fuel pump may fail causing engine to stall and not restart.

The automatic transmission shifter may fail, or a wire may break near the shifter causing the ignition key to become stuck in the ignition lock cylinder.

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all new parts are as follows... water pump, fuel pressure reg., thermostat. p0155 car starts, purs then dies when temp. reaches 200 then will only start when cools

your turning key back off

I have changed water pump/computer/fuel injectors(all)/fuel pump/fuel tank/filter/tune-up/fuel relay/disconnected anti-theft..and still the car stalls. It is running fine now that it is winter. However once the warmer weather gets here...back to the stalling. I have even disconnected the relay...

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VEHICLE DESCRIPTION: PASSENGER VEHICLES ORIGINALLY SOLD OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VI...VEHICLE DESCRIPTION: PASSENGER VEHICLES AND MINI VANS ORIGINALLY SOLD OR CURRENTLY REGISTERED IN THE FOLLOWING STATES: CONNECTICUT, ILLINOIS, INDIANA, MAINE, MASSACHUSETTS, MICHIGAN, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT AND WISCONSIN. THE REAR CRADLE ...CRACKS DEVELOP IN THE WHEEL MOUNTING SURFACE. IF THESE CRACKS BECOME SEVERE ENOUGH, THE WHEEL WILL COMPLETELY SEPARATE FROM THE VEHICLE.

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