Have problems with idle on my pick up

Asked by GuruXCP35 Oct 23, 2018 at 08:41 AM about the 1994 GMC Sierra 1500 C1500 SLE Extended Cab Stepside SB

Question type: Maintenance & Repair

I have a 94 gmc sierra c1500 4.3L I change out the head
gaskets and when I put it back together I try to turn it on  all
it will do is crank and crank over but if I push acceleration
pedal it will start right up. Then I'll let go of the pedal it will
die on me any suggestion to help me solve my problem

2 Answers

GuruX22BC answered 6 years ago

Possible ISC ( idle speed control) on side of throttle body. Or" IAC" Idle air control" sensor/sensors..or a short somewhere in in electrical connections..

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