1991 NISSAN 240SX RUNNING ROUGH

  • Tiny
  • uconn7kmw
  • 1991 Nissan 240SX

Engine Performance problem
1991 Nissan 240SX 4 cyl Two Wheel Drive Automatic 140000 miles

Car starts ok, but when driving it run ok for awhile then gets rough. Other then plugs and wires or bad gas, what should I check?

Also, when driving down the road, sometimes the RPM's go up with out touching the gas pedal.

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Wednesday, February 18th, 2009 AT 1:12 PM

1 Reply

  • Tiny
  • rasmataz
  • Member

Inspect/clean/test the IACV-AAC valve and the throttle position sensor

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Wednesday, February 18th, 2009 AT 2:44 PM

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