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2002 Chevy S-10 Fuel Problem?

Tiny
MATTHEW STACKPOOLE
  • MEMBER
  • 2002 CHEVROLET S-10
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 100,000 MILES
Came out to my truck one morning and it wouldnt start. After a series of tests I found that I had no residual fuel pressure. After about 20 min of shutting the truck down I was going from 60-psi to 0-psi. I replaced the sending unit, pump, and pressure regulator and the truck started yesterday but idle was very high and then very low, I shut the truck down and now it will not start again. You can hear fuel pump running. Why did it decide to start, run funny and now not start again?
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Friday, August 20th, 2010 AT 3:31 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,794 POSTS
Did you replace the fuel filter? Also, the fuel pressure shouldn't drop like that. There has to be a leak or bad check valve at some point.

Let me know about the fuel filter.
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Friday, August 20th, 2010 AT 9:24 PM

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