Questions GMC C1500 Suburban 1994 When I stop at a light engine idle starts jumping shift to neutral goes to normal for a min or two then does same till I give it a little gas.. When I stop at a light engine idle starts jumping shift to neutral goes to normal for a min or two then does same till I give it a little gas.. What is your question?
was told by a diesel mechanic to replace iac but was also told to remove throttle body and clean it all out any ideas? new iac will be here soon..
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