Question about 1990 Pontiac Trans Sport
Theres a possibility of carbon buildup on throttle plate!! take off air cleaner hose to get to throttle plate, use carb cleaner and scrub throttle plate and around it with a old tooth brush. I did this and it worked very well. the tps is sending a high idle to computer, so hopeing this will help.
Posted on Oct 07, 2009
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Posted on Jan 02, 2017
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