[taporite6]

how would you know when to replace idle control valve
what would be the indicators for replacement or service

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[unknown4u]

I can't remember any problems with it. It is a part that has no faults I believe. I never heard of it anyway. Can you describe your problem?

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[Ryan]

I would have to believe the symptoms would be a hunting idle. The car might stall when coming to a stop till it is warmed up as well.

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[unknown4u]

You don't have vacuumleaks?

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[PorscheDude]

If you think the ICV is faulty, you could try and remove it and clean it out with carb cleaner.

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[Monstrous4Banger]

When my ICV went, the symptom was that if it would wrap the engine out, and come to a quick stop the engine would choke out. If I gave it a little gas before it died it would stabilize back to idle. Like said before, try cleaning it with some carb/choke cleaner, there is a valve inside it that gets gummed up, and sticks IIRC. Its kind of a pain to get to. I got a couple laying around one probably just needs cleaning and would be fine. I put a new one on.

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