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1990 Toyota Camry Idle speed

Tiny
ABBOTTIM
  • MEMBER
  • 1990 TOYOTA CAMRY
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 25,500 MILES
Hey guys. Idle speed will sometimes be normal (6-700), but is often in the 1200 area after some driving. But when running the air conditioner and even shutting that off, it can go settle in even higher - 1800-2500rpm!

I have sprayed carb spray into the Idle Control Valve air intake while connecting/disconnecting the electrical to it. I can't access the valve from the air chamber; although I did spray that area down. Any other thoughts on correcting this?
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Tuesday, April 20th, 2010 AT 9:52 AM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi abbottim,

Thank you for the donation.

Check the coolant level. Shortage of coolant would cause the idle to increase.

Check the thermostat. A stuck in open thermostat would result in the coolant operating below operating temperature, especially with AC turned ON.
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Tuesday, April 20th, 2010 AT 12:35 PM

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