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1997 GMC C1500 throttle body

Tiny
RONMEHRER
  • MEMBER
  • 1997 GMC C1500
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 117,000 MILES
Throtte truck wont run unless I pour fuel into the throttle body, changed fuel filter already
Sunday, January 4th, 2015 AT 10:08 AM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check fuel pressure with a gauge should be 60-66 psi if not replace pump.
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Sunday, January 4th, 2015 AT 10:16 AM
Tiny
RONMEHRER
  • MEMBER
  • 3 POSTS
I have 65 psi what now
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Sunday, January 4th, 2015 AT 10:37 AM
Tiny
RONMEHRER
  • MEMBER
  • 3 POSTS
Does brain box regulate opening and closing of fuel to spider injectors. Can this be the problem
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Sunday, January 4th, 2015 AT 10:45 AM
Tiny
HMAC300
  • 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
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Sunday, January 4th, 2015 AT 1:26 PM

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