Why might my 1999 Pontiac Firebird be shutting down at 85 or 90 mph?

  • Thread starter Thread starter joeyfingaz09
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joeyfingaz09

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Could this be a governor? Some kind of speed sensor? How am i supposed to take it down the track like this (lol!) and how can i fix this? Thanks in advance!
 
When the car "dies", turn the key off for a few seconds then turn the key
to the run position and listen for the fuel pump to make sure its in
working order. If you don't hear the fuel pump, its probably bad. If the
fuel pump works, it could be spark related like bad coil packs. When the
car stalls, does the "check engine" light iiluminate? If it does take it
to a dealer to have the codes read. I had an Isuzu hombre once with
similar problems, it had a bad cam and crank sensor.
 
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