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Having trouble starting my 2001 Jimmy

Tiny
MATTFREDETTE
  • MEMBER
  • 2001 GMC JIMMY
  • 146,000 MILES
Having trouble starting my 2001 jimmy it cranks over but wont start then it will start on the second try but it will stumble for a minute then idle fine
Monday, August 6th, 2012 AT 12:01 AM

4 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Check the fuel pressure. It may be loosing its prime.

Roy
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Monday, August 6th, 2012 AT 12:03 AM
Tiny
MATTFREDETTE
  • MEMBER
  • 2 POSTS
And then when gas is low in tank it stumbles driving down the road and also looses power at about 4000 rpm just stopps pulling
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Monday, August 6th, 2012 AT 12:04 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Ok, did you check the pressure

Roy
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Monday, August 6th, 2012 AT 12:08 AM
Tiny
IRISHGIFT4U2
  • MEMBER
  • 1 POST
My Jimmy GMC 2000 has the same problem, I only get 50PSI when I turn the key, when it is started and running the fuel pressure gets lower if I idle it higher. After I shut off the jimmy my fuel pressure slowly goes down to zero on the gauge. I need some help here. Changed the fuel filter, fuel pressure regulator also.
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Tuesday, August 21st, 2012 AT 12:36 AM

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