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I have a cold start problem with my K-1500.

Tiny
MIKE
  • MEMBER
  • 1998 GMC SIERRA
  • 375,000 MILES
I have a cold start problem with my K-1500 Vortec 350. The starter cranks over but it takes several trys to get the truck to start. I can hear the fuel pump cycle and in the past as soon as I turned the key the truck would start
Thursday, February 28th, 2013 AT 3:34 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Put an accurate fuel pressure gauge on it before attempting to start it and see what the fuel pressure does during the first 4-5 seconds of cranking. This engine requires a minimum of 56-58 PSI to start in cold weather. It should be over 60.
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Thursday, February 28th, 2013 AT 3:40 PM

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