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Air Control Valve - 2000 Nissan Altima

Tiny
JVREPAIR
  • MEMBER
  • 2000 NISSAN ALTIMA
  • 3.0L
  • V6
  • FWD
  • AUTOMATIC
  • 192,000 MILES
Hello I put a new air control valve and a new pcm and the car is still running the same. For example the rpms are still going up and down up and down and when you give the car gas it shuts off. I was just wondering if you guys could help me solve the problem thanks
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Thursday, October 15th, 2015 AT 6:57 PM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Try cleaning throttle plate on both sides and iac hole with choke cleaner then check your fuel pressure with a gauge. Here are two guides to help us fix the issue.

https://www.2carpros.com/articles/how-to-replace-an-idle-speed-control-motor-iac

and

https://www.2carpros.com/articles/stall-at-idle

Please run down these guides and report back.
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Friday, October 16th, 2015 AT 7:28 AM
Tiny
WRD82
  • MEMBER
  • 1 POST
  • 1999 NISSAN ALTIMA
  • 4 CYL
  • FWD
  • MANUAL
  • 189,000 MILES
I just bought a 99 altima. It sat 4 months b4 I got it. It had 2 be cranked for a bit b4 it started. Once it started it was idling fine then all of a sudden it started to barely idle. It stalls when u first start it but once you give it gas it will stay idling. I would like 2 know if in fact it does sound like the Idle control valve and if so where would it be located on the engine?
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Monday, April 13th, 2020 AT 10:47 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Try cleaning it out and adjust for minimum air also check and test the throttle position sensor and airflow meter


https://www.2carpros.com/forum/automotive_pictures/12900_iacvaac_2.jpg

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Monday, April 13th, 2020 AT 10:47 AM (Merged)

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