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B18c1 ek no fast idle at cold start until warm

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Old 12-24-2014, 07:22 PM
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Default B18c1 ek no fast idle at cold start until warm

Hey! Im goin round and round with this and havent figured it out. Hoping maybe someone can help a bit. I have a 00 dx hatch with a 96 b18c1with skunk2 intake and tb. Chipped P72 obd1 w conversion harness. Runs off software no o2 sensor hooked up.

My problem is i get no fast idle during cold starts. When i warm it up it starts as it should w the fast idle.

Cold start idles at 600 or just dies if its too cold. Can the iacv stick when cold.. ? Ive tested the plug has power i can hear it when acc is on. Thanks
Old 12-24-2014, 07:35 PM
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Default Re: B18c1 ek no fast idle at cold start until warm

Clean out the iacv. Try that?
Old 12-24-2014, 07:38 PM
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Default Re: B18c1 ek no fast idle at cold start until warm

Originally Posted by ferio-ichi3
Clean out the iacv. Try that?
Yep. Doesnt flucuate.
Old 12-24-2014, 07:44 PM
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Default Re: B18c1 ek no fast idle at cold start until warm

Thinking out loud here, I need to ground out iacv to test if it will open when cold. I donno if some corrosion in the ecu can cause this or what
Old 12-26-2014, 02:59 PM
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Default Re: B18c1 ek no fast idle at cold start until warm

could be the ecu. too rich at cold. I had a similar issue and had to lean out the ecu mapping when cold
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