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1998 GMC Envoy Fuel Pump or Fuel Pump Relay

Tiny
TIMROGERS
  • MEMBER
  • 1998 GMC ENVOY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 148,000 MILES
My truck will turn over, but does not start. I had some repair (tune-up & fuel injector spiders) work done a few weeks back. I don't want to spend money on a fuel pump if it is not the problem. Where would the fuel pump relay and fuel filter be located on my truck? I would like to try to replace fuel filter, relay, and fuse before I buy a fuel pump. I have almost a full tank of gas.

Does it always mean the fuel pump is out when your truck turn over, but does not start? Please help me save some money.
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Tuesday, November 25th, 2008 AT 10:47 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you hear the fuel pump come On-when key at run postiion-if so do a fuel pressure test and comeback with results
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Tuesday, November 25th, 2008 AT 11:18 PM
Tiny
TIMROGERS
  • MEMBER
  • 2 POSTS
I don't hear anything except for my rear window making adjustments when I turn the key. Maybe the fuel pump is making noise, but just can't hear anything due to the noise from the rear window.
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Wednesday, November 26th, 2008 AT 6:41 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Get a helper to go underneath and listen
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Wednesday, November 26th, 2008 AT 2:24 PM

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