1989 Nissan Truck idle problems

1989 NISSAN TRUCK
346,000 MILES • 4 CYL • 2WD • MANUAL
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KEN JONES
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Engine idle will go up and down, however performance seems good. Its been that way for years after head gaskets were replaced. I do not recall if problem existed prior.
Mar 9, 2010 at 2:28 PM
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RASMATAZ
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  • 75,992 POSTS
Try cleaning out the IACV-AAC and the Throttle position sensor
Mar 9, 2010 at 2:58 PM