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2002 Chevy Suburban fuel pump

Tiny
SUBOWNER
  • MEMBER
  • 2002 CHEVROLET SUBURBAN
  • V8
  • 2WD
  • AUTOMATIC
  • 125,000 MILES
My 02 Sub had been stalling out. I replaced the fuel filter, didnt help. It finally wouldnt start, I checked the Fuel pressure. None. The fuel pump was still running even though I wasnt getting pressure. I replaced the pump but now the new pump wont run. The relay is being energized but only for a second. You can hear it close and open after a splt second. We swapped it with another and it worked fine in another vehicle. I am not sure where to go now. Thanks
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Sunday, July 4th, 2010 AT 11:24 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like the problem is coming from the computer controlled of the relay
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Monday, July 5th, 2010 AT 1:30 AM
Tiny
SUBOWNER
  • MEMBER
  • 2 POSTS
The relay wouldnt stay energized because the battery was a little below 12 volts. The new Delphi pump was also bad. Charged the battery and replaced the the new pump (with a cheaper one)and everything worked
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Monday, July 5th, 2010 AT 10:27 PM

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