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Low fuel pressure

Tiny
MATT061478
  • MEMBER
  • 2002 GMC YUKON
  • 6.0L
  • V8
  • AWD
  • AUTOMATIC
  • 165,000 MILES
Started stalling at start up. It starts and runs for 5-20 seconds and then stalls. Fuel pressure is low at 35 psi with engine off and key on. I have changed fuel filter, cleaned throttle body, replaced fuel pressure regulator. Is it leaning towards a bad fuel pump?
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Sunday, March 26th, 2017 AT 1:41 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The fuel pump should have been the first suspect. That pressure is way off.
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Sunday, March 26th, 2017 AT 3:21 PM

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