Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

High idle cold start

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Old May 2, 2016 | 08:21 PM
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Vspronk's Avatar
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Default High idle cold start

I have a high idle on my b16 when I first start the car, like 2400rpm. If I let the car warm for a couple minutes then turn the car off, then back on again the idle returns to normal around 1000rpm. (A little higher than stock). Is this a sign of a dirty iacv? I have a S2 intake and TB with no FITV.
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Old May 2, 2016 | 08:59 PM
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Default Re: High idle cold start

Add car information, including the ECU.

Any CEL codes?

Start by cleaning the IACV.
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