engine races all the time

5

Asked by May 12, 2013 at 09:50 AM

Question type: Maintenance & Repair

have a 1991 Pontiac sunbird le and just changed the throttle position sensor and the car is still racing?

1 Answer

102,315

Check for vacuum leaks, unmetered air will cause a high idle. Check for a dirty throttle plate and make sure the throttle opens and closes properly.

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