1993 Pontiac Grand Prix starting

1993 PONTIAC GRAND PRIX
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CADILLACYAK
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Electrical problem
1993 Pontiac Grand Prix 6 cyl Front Wheel Drive Automatic

does the oil pressure switch send a signal to the ecm to stop spark when the oil pressure is too low?
Mar 10, 2010 at 9:23 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
If the oil pressure is low the oil pressure switch will shut down the fuel pump not the ignition system-it has nothing to do with spark. Here's a diagram to see how the oil pressure switch works with the fuel pump.


https://images.2carpros.com/forum/automotive_pictures/12900_fpop_1.jpg

Mar 10, 2010 at 10:26 AM
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