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Asked by May 21, 2016 at 05:16 PM about the 1991 Pontiac Grand Prix 4 Dr LE Sedan

Question type: General

Any ideas i have a 91 grand prix v6 3.1 it will
start up when cold and it will shut down
after 10 mins and will not start back up
again till engine is cold what would cause
this

1 Answer

3,505

Sounds like an electronic problem of some sort. The electronics are pretty basic on a '91 but you should be able to have it scanned for trouble codes and come up with something useful. That's where you need to start.

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