Mechanics

GMC S15 BODY PROBLEM

1987 GMC S15 • 156,000 miles

My jimmy wont start it just rolls over and as soon as I unplug the injector cables it fire right up for a short moment I also noticed its dumping alot of fuel into that throttle body.
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Guest
April 3, 2013.



It does that because it's open loop scan for codes to see what is wrong and check fuelpressure for a 4.3 it's 9-11 psi

Hmac300
Apr 3, 2013.