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2001 GMC Jimmy Cannot start engine

Tiny
DOM71555
  • MEMBER
  • 2001 GMC JIMMY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 115,000 MILES
Hi, I have replaced Fuel pump, fuel filter, rotor cap, ignition rotor, wires, coil and battery and still cannot start the engine. Sometimes, it will try to start when I release the ignition. I also removed the ignition switch and checked the contacts which were fine. Also, when I did have the engine running, it ran very smooth. Now, it just cranks without starting.
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Wednesday, November 18th, 2009 AT 9:53 AM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Welcome to the forum, I saw what you replaced, did you do any testing? Have a helper crank it, while you check for spark at the plugs. Have spark everywhere, use a gage and check fuel pressure. If you don't a fuel pressure gage, some of the national brand autostores will loan a gage. Can you check for codes?
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Wednesday, November 18th, 2009 AT 10:44 AM
Tiny
DOM71555
  • MEMBER
  • 3 POSTS
Thanks for the reply. I have had help and the fuel pressure was good. We also checked for codes and no codes were present. Emissions also showed good.
I will check the spark at the plug.
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Wednesday, November 18th, 2009 AT 12:58 PM

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