1989 Toyota 4runner Idlies 2minutes Starts Rev Down Bogs Throttle Changed

1989 TOYOTA 4RUNNER
200,000 MILES
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5WEST
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  • 1 POST
idlies for 2minutes then starts to rev up and down , bogs to throttle. changed throttle position sensor check cmu
Nov 30, 2012 at 4:43 AM
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KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Are there any trouble codes?
Do you have coolant losses issues?
Did you try adjusting the idling speed?
Nov 30, 2012 at 1:09 PM
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