2000 GMC Jimmy

Tiny
BIGDEW
  • MEMBER
  • 2000 GMC JIMMY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 154,000 MILES
I have a 2000 GMC Jimmy with 4.3 motor When you hit the gas it sputters and almost killls. I have changed the plugs and fuel filter.
Monday, January 31st, 2011 AT 1:28 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
The first thing you need to do is test the fuel pressure using a gauge. This is a high pressure system that is very pressure sensitive. It requires a MINIMUM of 55 PSI at all times.
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Monday, January 31st, 2011 AT 1:57 PM

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