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1998 GMC Truck wont keep running

Tiny
KEITHFIRE
  • MEMBER
  • 1998 GMC TRUCK
Engine Performance problem
1998 GMC Truck V8 Four Wheel Drive Automatic

my truck starts and runs for a few seconds and then quits, if I feed it with gas it will continue to run I have replaced the fuel filter and fuel pump but it continues to only run for a few seconds any suggestions
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Wednesday, March 3rd, 2010 AT 9:42 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check your fuel pressure, as it should be at least 40p.S.I. To run the truck. BUT that particular year had a problem with the harness going to the fuel pump. Delco sell s a fuel pupmp with the 12" of harness that you neeed to put in otherwise if you insatall a nother pump it will fail again.
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Monday, April 5th, 2010 AT 7:45 PM

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