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My 1985 z idles high when i start it

The car idles high when car is at running temp the rpms are 2500 and more is it the computer i change the AIC VALE

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  • Cars & Trucks Master
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Take vechicle to dealership or garage let them reset adjust correct idle speed and relearn it to the ecm so car will idle right.

Posted on Feb 13, 2012


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Posted on Jan 02, 2017

  • 674 Answers

SOURCE: high idle

sounds like you have a vacume leak

Posted on Sep 11, 2008

  • 1 Answer

SOURCE: high idle 2500-3000 rpms

you can turn your idle down. i have the same car and it was doing the same thing. i had someone adjust it and it hasnt had a high idle since

Posted on Jan 28, 2009

  • 1 Answer

SOURCE: 1990 Toyota Celica GTS. Idle races too high

sound very much like a vacuum leak.... also maybe your timing is off? possibly advanced? try retarding it with the distributor if thats the case...

Posted on Feb 01, 2009

  • 740 Answers

SOURCE: 2002 saturn sl1 idle too high

Can be but also check and make sure there are NO vacuum leaks or broken vacuum hoses anywhere on intake. I would also suggest if engine light is on is to take this vehicle to an AUTO ZONE they will check by computer for this problem and let you know for FREE. When you get the code I would be more than glad to help you further. Don't guess you may be wasting money and time. Good luck and thanks for using FIX YA

Posted on Feb 01, 2009

  • 1050 Answers

SOURCE: high idle at start then oscilates after warm

It is a vacuum leak for sure, but where? Try buying a can of aerosol carb cleaner with a straw and spraying it in different areas and listening for a change. Also, a mechanics stethoscope with just the tube is great for pin pointing vacuum noises. Without any hesitation, I would put a new PCV valve in just because this has caught me on Hondas so many times and they are dirt cheap.

Posted on Mar 11, 2009

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1 Answer

98 eclipse 2.0 idles high at 2500 rpms an I just replaced the throttle positioning sensor

sounds like you may have a vacuum leak. any air entering engine not passing through the throttle body will cause engine to race. a whistling sound is sometimes a sign of vacuum leak but not always audible. propane is the recommended method finding leak but I find this unreliable. spraying carb cleaner around suspect areas and listening for a rpm change is more successful. just remember carb cleaner is extremely flammable and caution must be used.

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Running roug at low idle, smooths out at 2500 rpms

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High idle 2500-3000 rpms

you can turn your idle down. i have the same car and it was doing the same thing. i had someone adjust it and it hasnt had a high idle since

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