Overheating, high idle

Tiny
MARLA CHOI
  • MEMBER
  • 1997 TOYOTA 4RUNNER
  • 4.3L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 136,000 MILES
What should my idle be when cold? My idle is high 1900 rpm if I adjust it correctly will that stop my car from overheating?
Monday, December 26th, 2016 AT 8:57 PM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 13,322 POSTS
No, high idle should not lead to an overheat. It sounds more like you have a vacuum leak that is causing the high idle. Check for cracked/broken vacuum lines first. If you do not find any clean the IAC valve and the throttle body.
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Tuesday, December 27th, 2016 AT 1:06 AM

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