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What do I need to do to my car?

Tiny
ARIONDARKNIGHT
  • MEMBER
  • 1999 NISSAN ALTIMA
  • 193,000 MILES
I have a 1999 Nissan Altima. Periodically, my rpms will drop and come back up. This happens sometimes when I'm driving but mainly happens at random when I'm idling. When idling it will go from the normal 750 rpms down to almost killing then go back up several times until it kills. I'm wondering what could be causing this to happen. I have already replaced the fuel filter.
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Sunday, November 27th, 2011 AT 12:16 AM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Have the computer scanned for code/s and also check the fuel pressure if its within specs-
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Sunday, November 27th, 2011 AT 12:20 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Get some choke cleaner and clean the throttle plate on both sides as well as the iac hole. The car will start hard after this. Make sure the duct work is hooked up before starting.
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Sunday, November 27th, 2011 AT 12:20 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Also have the IACV-AAC checked too
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Sunday, November 27th, 2011 AT 12:22 AM

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