'04 GTP downshifts when you let off the gas

Asked by donnie_millsaps Sep 20, 2018 at 10:20 PM about the 2004 Pontiac Grand Prix GTP

Question type: Maintenance & Repair

2004 Pontiac Grand Prix GTP downshifts
when you let off the gas. Any idea what's
up? It will do it on flat ground, going up a hill,
or even going downhill.

2 Answers

43,950

Scan for fault codes in the tranny. It sounds like a shift sensor or solenoid is acting up.

Your Answer:

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