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very high idle

Old Aug 14, 2014
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very high idle

I have a 97 honda civic, it idles very high when the car is hot not temp gauge hot, like sitting in sun hood hot, I have to lift hood to cool engine for about 5-10 minutes then car will start fine and idle right then I can get out of park to drive, it only does this really in summer dont have to many issues in winter car doesnt get to hot. What can cause this?
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Old Aug 14, 2014
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Re: very high idle

then I can get out of park to drive,
Should I understand this to mean it will not allow you move the shift lever out of Park during the very fast idle speed?


Kinda sounds like the throttle cable might be pulled way too tight for some reason, needs adjusted to give it some more slack.
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Old Aug 14, 2014
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Re: very high idle

Because the engine sounds like my foot is on the gas you cant take it out of park once it calms down its fine after it cools a bit
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Old Aug 14, 2014
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Re: very high idle

Originally Posted by letricereed
Because the engine sounds like my foot is on the gas you cant take it out of park once it calms down its fine after it cools a bit
That's what I thought you meant.
Check what I said in the other half of my reply.
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Old Aug 14, 2014
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Re: very high idle

But it only happens when the car gets hot will that affect the cable
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Old Aug 14, 2014
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Re: very high idle

Originally Posted by letricereed
But it only happens when the car gets hot will that affect the cable
You didn't check it yet?
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