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1998 GMC C1500 engine will not start when cold

Tiny
RONNIE9241
  • MEMBER
  • 1998 GMC C1500
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 160,000 MILES
Replaced fuel pump, pressure is 60psi, replaced fuel filter, replaced cap, rotor, wires, plugs, CTS coolant temp sen, ECM. Takes eitherto start engine when cold lots! Engine runs rough until eng. Temp. Reaches 158 then smooths out and will start rest of day. Leave over night and will not start?
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Tuesday, February 16th, 2010 AT 11:19 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hi, thanks for the donation. When the vehicle refuses to start, the fuel pressure is 60psi? You have the spider fuel system? I've seen service bulletins on fuel poppets sticking, cold start, overnight sit. The cleaning procedure in the bulletin is a shop procedure. Don't know if injector cleaner in the gas tank will help? If that is the problem?
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Tuesday, February 16th, 2010 AT 11:41 AM

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