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1992 Chevy S-10 Won't start

Tiny
SEABECK_ET
  • MEMBER
  • 1992 CHEVROLET S-10
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 200,700 MILES
I've replaced the fuel pump relay no luck. I have tried to jump the orange and gray wires I hear the fuel pump kick in and the truck started. When I pulled the jumper it died. Could it be the fuel pressure/oil switch? If so is the a way to bypass it long enough to drive it 5 miles home? Thank you
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Friday, July 30th, 2010 AT 11:15 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The fuel pump relay powers the pump for 2 secs when the engine is cranking and the oil pressure goes above 4psi this is where the oil pressure switch powers the pump. Now when you remove the relay and it dies out then the oil pressure switch is defective.

Could also be the computer controlled of the FP relay circuit.
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Saturday, July 31st, 2010 AT 2:27 AM

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