1990 Toyota 4Runner idle

Tiny
WVTAZ46
  • MEMBER
  • 1990 TOYOTA 4RUNNER
  • 4 CYL
  • 4WD
  • MANUAL
  • 192,000 MILES
After warm up engine will idle up and down from 1000 rpm to 1500 rpm
Saturday, December 29th, 2007 AT 4:54 AM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Clean out your throttle body and check your EGR valve, next check your IAC module.

Does it run poorly when driving?
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Saturday, December 29th, 2007 AT 11:13 AM

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