2CarPros - Car Questions & Answers

1994 Pontiac Sunbird Repair Question


Topics covered: Fuel pump, Rpm, Spark.
Mileage: No information provided.

Asked on March 19, 2010

1994 Pontiac Sunbird high idel

Engine Performance problem
1994 Pontiac Sunbird 6 cyl Two Wheel Drive Manual 130000 miles

my car is running at a high rpm i have problems starting it and i have changed my fuel pump, spark plus, spark plug wiring, coils, fuel pump relay, fuel fillter and nothing has changed it revse to 3000 rpms i have to start it with eather.
Avatar Asked by brandop

Answer

Replied on March 30, 2010

change the pcv valve and check/change the mapp sensor, you may also want to take a look at the egr. all possible culprits.

Tiny Answered by legitimate007 (expert)
5,604 answers provided
Replied on June 21, 2010

I'll bet your IAC is either stuck or has quit[idle air control motor]. Have you or your tech checked that? Sometimes it can be removed and cleaned with success.

Tiny Answered by Jim Shirron
2 questions asked
Replied on June 21, 2010

that too. you may also want to clean the throttle plate too, if its carboned up, then it can stick open or closed

Tiny Answered by legitimate007 (expert)
5,604 answers provided