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2000 Pontiac Bonneville Intermittent Stalling

Tiny
RVANWECHEL
  • MEMBER
  • 2000 PONTIAC BONNEVILLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 255,000 MILES
Car stalls intermittently, always when warmed up. If I'm driving slow it usually dies, but restarts immediately. If I'm driving highway speeds it usually recovers with a lurch. 9 times out of 10 the tachometer will quit after the stall, especially at highway speed where the engine recovers without a restart. Restarting the car normally restarts the tach too. Occasionally, the check engine light will come on after a stall but usually goes out after a while. I've not been to the dealer with it yet.

Thanks
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Saturday, December 13th, 2008 AT 1:49 PM

1 Reply

Tiny
BRIAN 1
  • MECHANIC
  • 1,030 POSTS
I would at least start by having the vehicle scanned for any codes. There are alot of things that can make a vehicle stall, low fuel pressure, bad mass air flow sensor, plugged air filter, plugged fuel filter, weak fuel pump, vacuum leak. To many things to list. Have scanned and post back with the dtc. Will help from there.
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Saturday, December 13th, 2008 AT 2:00 PM

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