1990 Toyota Celica Idle Funny Down By Self

1990 TOYOTA CELICA
300,000 MILES
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Why is my celica idle funny .? Idle goes up an down by its self
Nov 30, 2012 at 5:45 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Exessively high idling speed would cause that. Check for vacuum leakages (dislodged or cracked hoses) , clogged coolant hoses to the IAC, coolant level and idle adjuste screw.
Nov 30, 2012 at 6:09 AM
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