high idle speed

2004 TOYOTA TACOMA
30,000 MILES • 2.4L • 4 CYL • RWD • AUTOMATIC
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WILIAM
  • MEMBER
  • 1 POST
idle speed too high and did not gos dwon after engine warm up
Jan 22, 2016 at 1:46 PM
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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CARADIODOC
  • CAR REPAIR CONTRIBUTOR
  • 34,308 POSTS
Most common cause is a vacuum leak. Check for loose or cracked vacuum hoses first. You can narrow down the cause by pinching various hoses to see if one affects idle speed, then follow that hose to its branches and do that again on each branch.
Jan 22, 2016 at 1:49 PM
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