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Truck will not start

Tiny
FLINT D TIETJEN
  • MEMBER
  • 1997 GMC TRUCK
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 128,000 MILES
At first my truck would start for just a second and then shut off. I thought it must be my fuel pump so I changed it out. Still doing the same thing. I have a code reader and there is no codes showing up. I disconnected my ecm and reconnected it and my truck started ran but not very good. When I shut it off it will not start again. Unless I disconnect the ecm again. I put in a new ECM but still the same problem. Is there any one that can help me? Thanks
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Friday, February 17th, 2017 AT 1:32 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check all fuses under hood, then pull distributor cap off and see if you can move rotor if you can distributor is shot. But in this case because of what you are doing you need to have a mechanic see what is going on.
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Saturday, February 18th, 2017 AT 6:18 AM

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