. I HAVE A 1991 NISSAN D21 2.4L 4CYL. I HAVE ...

  • Tiny
  • Anonymous
  • 1991 Nissan Hardbody
  • 279,000 miles

Hi. I have a 1991 Nissan D21 2.4L 4CYL. I have replaced the fuel pump, relays, fuses, and the tempair sensor. Now it has a fast idle, I cannot find a vacuum leak, I have called a friend, no answer there. Could you please giveme someideas of what I need to check now? I would be greatly appreciated.

Saturday, February 2nd, 2013 AT 11:21 PM

1 Reply

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,409 posts

Check the idle air control valve.

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Saturday, February 2nd, 2013 AT 11:22 PM

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