wide open throttle

Asked by starter Oct 24, 2008 at 06:09 PM about the 1994 Pontiac Grand Prix 4 Dr SE Sedan

Question type: Maintenance & Repair

what would cause a w.o.t. condition at start?  put new ecm in. what sensor or circuit controls this condition? the car is undriveable because this occurs every time and wont idle down.

2 Answers
1,040

Andrew answered 15 years ago

Your engine speed is controlled by the air control valve that bypasses the throtle blade. If it were stuck/broken it could cause that kind of symptom. Is the MIL(engine light) on? If it is, I would have it scanned to get the codes off of it. They could tell you more of what the problem could be.

1 people found this helpful.
Mark helpful

starter answered 15 years ago

Andrew8195 Thanks for reply. Borrowed an obt diagnostic tool, and its showing not connected, so I cant pull the codes.

Mark helpful

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