1991 Chevrolet S-10 fuel pump

Tiny
PEYTON01
  • MEMBER
  • 1991 CHEVROLET S-10
  • 2.8L
  • 6 CYL
  • 2WD
  • MANUAL
  • 100,000 MILES
How do you test the fuel pump on the vehicle?
Thursday, February 20th, 2014 AT 11:08 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,916 POSTS
Depends on what you're trying to test or what problem you're chasing. If it doesn't run at all, check for a bad ground on the gas tank. If it runs, check the pressure with a mechanical gauge. Two pounds low on some GM engines can cause a no-start condition.
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Thursday, February 20th, 2014 AT 11:44 PM

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