how do you fix the idle if its too high in a 1987 s10 blazer 2.8 liter

Asked by Mar 10, 2015 at 10:22 AM about the Chevrolet S-10 Blazer

Question type: Maintenance & Repair

2 Answers

143,355

Begin by looking for a vacuum leak. That 2.8 is early throttle-body fuel injection. If it's running a bit hot, not necessarily overheated but hotter than normal, that will indicate a lean running engine, and more evidence of vacuum leak

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Vacuum leaks, iac or tps

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