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2000 Toyota 4Runner 2.7L. Engine revs up to 1100 RPMs in gear when at a stop

Tiny
CLC
  • MEMBER
  • 2000 TOYOTA 4RUNNER
  • 11,500 MILES
High revs to 1100 rpms when at a stop, revs up tk approx. 1700 rpms when in park. I think its the idle air control, and the battery, would like your opinion please
thanks
Thursday, March 29th, 2012 AT 5:37 PM

4 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Could be. Have you checked for vacuum leaks? Any codes to read? How does battery apply to the diagnosis?
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Thursday, March 29th, 2012 AT 5:46 PM
Tiny
KORBINO
  • MEMBER
  • 2 POSTS
The same thing started happening with my 2000 4runner and it turned out that the O2 sensor was faulty and needed to be replaced which happens to a lot of the 2000 model.
Hope it helps!
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Thursday, March 29th, 2012 AT 6:33 PM
Tiny
KORBINO
  • MEMBER
  • 2 POSTS
And it also started happening right around 115k
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Thursday, March 29th, 2012 AT 6:34 PM
Tiny
CLC
  • MEMBER
  • 14 POSTS
No check engine light or stored codes in history. If it was the o2 sensor I should have a check engine. I have not checked for vacum leaks but will. In other ideas would be appreciated
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Thursday, March 29th, 2012 AT 7:00 PM

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