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V8 idle

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Old 03-24-2019, 03:14 PM
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mopol
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Default V8 idle

Hello,
I have a problem with idling.
as you can see on this video:


Do you have an idea of ​​the problem ?
Old 03-27-2019, 11:31 PM
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onceover
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Sticky idle stabilization valve? (ISV)
Old 03-28-2019, 04:14 PM
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mopol
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the valve is new
Old 03-28-2019, 05:55 PM
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911Jetta
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Mine would do that if I really got the engine wet while washing the car. Dried-out and all was fine later.
So probably plug wire related if not wet... will let the pros step in now.
Old 03-29-2019, 08:50 AM
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rotorheadcase
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^ ^ ^ ^ ^
This....exactly the same with mine. Replace ISV and problem went away in the dry but would reappear if it was raining. New plug wires and the problem went away completely.
Old 04-01-2019, 10:14 AM
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onceover
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Originally Posted by mopol
the valve is new
It helps to list the things you've tried so we're not just guessing at random here...



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