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Why is RPM droping once in a while?

Tiny
JOEG69
  • MEMBER
  • 1989 NISSAN SENTRA
  • 75,000 MILES
89 nissan 1.6l 5 speed rpm drop once in a while an if ya feather gas comes right back anyone know why
Wednesday, August 15th, 2012 AT 12:10 AM

5 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Possible dirty throttle body. Have someone check it to confirm

Roy
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Wednesday, August 15th, 2012 AT 12:25 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Last tune-up? Do this clean out the IACV-AAC valve and see what happens
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Wednesday, August 15th, 2012 AT 12:28 AM
Tiny
JOEG69
  • MEMBER
  • 5 POSTS
Our u talking about the air idle control valve an it was recently tuned up
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Wednesday, August 15th, 2012 AT 1:50 AM
Tiny
JOEG69
  • MEMBER
  • 5 POSTS
Was thinking of cleaning it but wasnt sure
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Wednesday, August 15th, 2012 AT 1:51 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Yes, the Idle Air Control ( Auxiliary Air Control Valve as Nissan calls it) should be the thing to check. Cleaning it should solve the problem.
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Wednesday, August 15th, 2012 AT 12:10 PM

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