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
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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