1989 Nissan Truck idle problems

1989 NISSAN TRUCK
346,000 MILES • 4 CYL • 2WD • MANUAL
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KEN JONES
  • MEMBER
  • 1 POST
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 6:28 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,992 POSTS
Try cleaning out the IACV-AAC and the Throttle position sensor
Mar 9, 2010 at 6:58 AM
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