# Grand prix stalls while driving **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** pontiac\ **Created:** [January 30, 2010, 8:39pm UTC](https://community.cartalk.com/t/grand-prix-stalls-while-driving/43501 "2010-01-30T20:39:10Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![brians123](https://avatars.discourse-cdn.com/v4/letter/b/8edcca/32.png) [@brians123](https://community.cartalk.com/u/brians123)\ **Post date:** [January 30, 2010, 8:39pm UTC](https://community.cartalk.com/t/grand-prix-stalls-while-driving/43501/1 "2010-01-30T20:39:10Z")
car runs just fine till it warms up. somtimes i can drive for 20 min and somtimes a few hours. so far, ive chaged the fuel pump, fuel filter, ignition module, coil packs, crankshaft sensor, and the fuel pump relay switch. any ideas? ---
**Author:** ![hellokit](https://avatars.discourse-cdn.com/v4/letter/h/6a8cbe/32.png) [@hellokit](https://community.cartalk.com/u/hellokit)\ **Post date:** [January 30, 2010, 10:43pm UTC](https://community.cartalk.com/t/grand-prix-stalls-while-driving/43501/2 "2010-01-30T22:43:33Z")
Model year? Engine size? Does it stall immediately, or does it stumble and stall? Clean fuel filter? ---
**Author:** ![brians123](https://avatars.discourse-cdn.com/v4/letter/b/8edcca/32.png) [@brians123](https://community.cartalk.com/u/brians123)\ **Post date:** [January 30, 2010, 11:02pm UTC](https://community.cartalk.com/t/grand-prix-stalls-while-driving/43501/3 "2010-01-30T23:02:43Z")
its a 2002 grand prix gt (3.8 L) runs like new when its cold. dies when it warms up. its a very smooth die. it doesnt sputter or make any noise at all. the first couple times i didnt even realize it died till i tried to give it gas. after it dies it will turn over just fine and it’ll even fire. it just wont start. i thought for sure it was the ignition module but it wasnt. any ideas at all are helpfull. thanks “B” ---
**Author:** ![snitch56](https://avatars.discourse-cdn.com/v4/letter/s/b782af/32.png) [@snitch56](https://community.cartalk.com/u/snitch56)\ **Post date:** [January 31, 2010, 3:34am UTC](https://community.cartalk.com/t/grand-prix-stalls-while-driving/43501/4 "2010-01-31T03:34:25Z")
Check the crank sensor