1997 GMC C1500 throttle body

1997 GMC C1500
117,000 MILES • 5.7L • V8 • 2WD • AUTOMATIC
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RONMEHRER
  • MEMBER
  • 3 POSTS
throtte truck wont run unless i pour fuel into the throttle body, changed fuel filter already
Jan 4, 2015 at 2:08 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check fuel pressure with a gauge should be 60-66 psi if not replace pump.
Jan 4, 2015 at 2:16 AM
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RONMEHRER
  • MEMBER
  • 3 POSTS
i have 65 psi what now
Jan 4, 2015 at 2:37 AM
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RONMEHRER
  • MEMBER
  • 3 POSTS
Does brain box regulate opening and closing of fuel to spider injectors. Can this be the problem
Jan 4, 2015 at 2:45 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
it's possible that eh injectors have bad poppet valves scan for codes as well. see if you get any codes
Jan 4, 2015 at 5:26 AM
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