1987 GMC S15

1987 GMC S15
105,000 MILES • 6 CYL • 4WD • AUTOMATIC
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DUNCANQR
  • MEMBER
  • 1 POST
Truck went dead and will now only crank if you pump the gas pedal and will not idle it seem to be flooding out. Have replaced fuel filter and this did not help.
Oct 8, 2010 at 10:27 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check your fuel pump pressure it should be between 9-11 p.s.i. It sounds as if it's low.
Oct 12, 2010 at 7:36 AM
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