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1993 Pontiac Grand Prix starting

Tiny
CADILLACYAK
  • MEMBER
  • 1993 PONTIAC GRAND PRIX
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?
Wednesday, March 10th, 2010 AT 5:23 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 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://www.2carpros.com/forum/automotive_pictures/12900_fpop_1.jpg

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Wednesday, March 10th, 2010 AT 6:26 PM

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