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2005 Grand Prix stalls while driving!
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Crapgame44
Novice
Nov 9, 2010, 10:08 AM
Post #1 of 5
(3527 views)
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2005 Grand Prix stalls while driving!
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Hi, My wife has experienced our well maintained 2005 Pontiac Grand Prix, V6 GT, 100K miles , lose all power while driving a couple of times. Very dangerous! The battery is a year old. It will restart though and go for a while before it happens again. Please help!!!
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 9, 2010, 10:43 AM
Post #2 of 5
(3525 views)
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Re: 2005 Grand Prix stalls while driving!
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All you can do is check all the obvious things like battery cables. It has to be dead at the time to be able to actually test anything. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Crapgame44
Novice
Nov 9, 2010, 10:48 AM
Post #3 of 5
(3519 views)
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Re: 2005 Grand Prix stalls while driving!
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Thanks, But I thought the car is running on alternator power, not battery power, while running???
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Rilex
New User
Nov 13, 2010, 6:11 PM
Post #4 of 5
(3505 views)
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Re: 2005 Grand Prix stalls while driving!
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I had a 91 Park Ave that would run for a while (ten or fifteen minutes) and then would just die. If I waited for a few minutes, it would fire back up again and do the same cycle all over again. A mechanic diagnosed it as a faulty crankshaft position sensor. The car ran fine after I had that replaced. I'm not sure if that's what's ailing your Grand Prix, but hopefully that will give you a point to consider.
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Sidom
Veteran
/ Moderator
Nov 13, 2010, 9:30 PM
Post #5 of 5
(3500 views)
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Re: 2005 Grand Prix stalls while driving!
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A defective crank sensor won't cause a car to lose battery voltage.
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