2000 gmc jimmy

2000 GMC JIMMY
154,000 MILES • 6 CYL • 4WD • AUTOMATIC
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BIGDEW
  • MEMBER
  • 1 POST
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.
Jan 31, 2011 at 5:28 AM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 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.
Jan 31, 2011 at 5:57 AM
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