2000 Pontiac Grand Prix Out of Idea's

AADJ0402

MEMBER
2000 PONTIAC GRAND PRIX
6 CYL
2WD
AUTOMATIC
131,000 MILES

My wife and I went to town Car ran great. Got back in to leave again. Car wouldnt start Changed the fuel filter check the fuel pump all was well but car would still. Not start. Changed the thottle positioning sensor. Now car will start but go dead about 2 minutes later almost like its choking itself out. What now?

3 Replies

MERLIN2021

MECHANIC
17,250 POSTS

Have you done a relearn on the pass-key?
GM PASS LOCK RELEARN- Ignition to "run" position, try to start and let key return to "run" position
Approx ten minutes security light will go off
Turn key "off" and wait 5 seconds
Repeat 2 more times for a total of 3 relearns.
Turn key off, then start it

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Sunday, March 29th, 2009 AT 11:02 AM

AADJ0402

MEMBER
1 POST

Tryed that but no glory. The car only starts when I let it sit for about 1 hour then runs for about 2 minutes. If I try to start it without letting it sit. It wont start at all.

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Sunday, March 29th, 2009 AT 11:23 AM

MERLIN2021

MECHANIC
17,250 POSTS

You are at the point of needing to read any stored codes, even if you have to buy a scanner to do it. Post all codes that come up, and if you can all freeze frame data.

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Sunday, March 29th, 2009 AT 11:39 AM