1990 nissan stanza rough idle

1990 NISSAN STANZA
250,000 MILES
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JIMMYD3958
  • MEMBER
  • 1 POST
engine runs rough when idle
May 25, 2012 at 9:20 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Do you have a check engine light and when was last tune-up?

Might want to start by cleaning out the IACV-AAC and testing the TPS voltages-closed and wide open throttle volts

Also refer to this walk thru link:https://www.2carpros.com/articles/engine-misfires-or-runs-rough
May 25, 2012 at 9:24 PM
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