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Re: Help needed! 94 grand prix engine lopes and hesitation at idle speed
Missed some details: 3.1L engine, 180K miles, should have a 4T60? Sometimes the tranny won't shift beyond 3rd, mainly in the summer. Few minute stop and goes back shifting all the way. In the winter it happens very rarely. I thought it was a solenoid, but never gotten around to check it thoroughly.
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