Hi, people sorry for opening this thread but i cant find the infos on how t otest the ISV!
Thanks a lot
Thanks a lot
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Go Holset or Go RS4 -
Resistance across pins appr 30 ohm. Disconnect and start her up/drive. Tickover will likely be faster and the car will be "jerky" to drive. Re connect and "discover" it is in fact working OK. Several on the forum including me suffer with a lazy ISV on first time idling - it seems to need to re learn each start up. -
I think I get this occasionally. Most days the car starts and settles to a steady 750 - 800 rpm in a few seconds. But on other occasions, the car will "hunt" for a up to a minute or two before it settles down. I have no idea why but this sounds similar to the symptoms you are describing....
Cheers,
SteveThe Perfectionist
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Audi Class Concours winner Stoner Park 2014, ADI Concours D'Elegance Class Winner 2008, Runner up 2014. Winner, S2Forum Show'n'Shine Billing 2006 & 2008.
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What happens if i connect 12 V to it?Go Holset or Go RS4Comment
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Without 12 volts it is always partially open, adding 12 volts will open the valve and reversing the polarity will close it IIRC.
HTH Nuvo.Comment
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You can use VAG Com to confirm it's operational by running the output tests.
may helpMike
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