89 chevy s10 4.3 tbi it idles fine when i start it then idles down and makes a hissing noise then idles normal again and reapets this the noise is coming from the left side of the engine

120

Asked by nathan559ftqdghb Sep 15, 2015 at 09:22 AM about the 1989 Chevrolet S-10 LB RWD

Question type: Maintenance & Repair

89 chevy s10 noise

2 Answers

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maybe the IAC have your codes read at an auto parts store see if you have any codes you could try cleaning your TBI with some carb cleaner

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