High idle speed

Tiny
WILIAM
  • MEMBER
  • 2004 TOYOTA TACOMA
  • 2.4L
  • 4 CYL
  • RWD
  • AUTOMATIC
  • 30,000 MILES
Idle speed too high and did not gos dwon after engine warm up
Friday, January 22nd, 2016 AT 1:46 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,916 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.
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Friday, January 22nd, 2016 AT 1:49 PM

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