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1990 Pontiac Firefly Repair Question


Topics covered: Sensor, Engine, Gas.
Mileage: No information provided.

Asked on June 12, 2010

1990 Pontiac Firefly Engine light

Computer problem
1990 Pontiac Firefly Front Wheel Drive Manual 260000 miles

Hi my car is running well but when I am idling it sounds like I am pressing the accelerator and depressing it in intervals of 5 seconds approx. It does not rev at a consistent rpm but goes from an idle to sounding like i am pressing the gas. I need to do an ODB 1 test but don't know where the sensor is in the car to plug it in. It may be a sensor? Does anyone have any idea what this is?
Avatar Asked by d.a.cormack

Answer

Replied on June 12, 2010

Go to Autozone its a free public service and have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis,finding out what's going on.

Tiny Answered by rasmataz
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