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i have 1999 pontac grand prix runs fine when you start it. cuts off when you put it in gear.

Answers from the Automotive Experts

Maryann Croce, Owner at Croce’s Transmission Specialists Hi Joyce For your 1999 Pontiac Grand Prix there is a possibility that the torque converter clutch may be locking up, causing the engine to stall out. Or it could a transmission issue. Best of luck. If you need help finding a technician, please find an AskPatty Certified Repair Shop at http://www.askpatty.com/search/?type=all&m=30&q=&keyword= and they can help you diagnose and repair the problem.

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