1990 Toyota 4Runner idle

1990 TOYOTA 4RUNNER
192,000 MILES • 4 CYL • 4WD • MANUAL
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WVTAZ46
  • MEMBER
  • 1 POST
after warm up engine will idle up and down from 1000 rpm to 1500 rpm
Dec 29, 2007 at 4:54 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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BLACKOP555
  • CAR REPAIR CONTRIBUTOR
  • 10,386 POSTS
clean out your throttle body and check your EGR valve, next check your IAC module.

does it run poorly when driving?
Dec 29, 2007 at 11:13 AM
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