Idle Stabilizer Valve, how tight?

Phil Rose pjrose at
Thu May 30 10:50:31 EDT 2002

At 9:56 PM +0200 5/29/02, Claus Vegener wrote:
>Got the code 2231 and pulled the valve.
>It works with 12 V on it,

You may want to take care if using 12V for ISV testing. I  recall
reading that the ISV isn't intended to see a full 12 signal from the
ECU, and that a sustained 12V can cause damage. Better to test it
with no more than a 9V battery. Perhaps this is not an issue--can
someone clarify?


Phil Rose
Rochester, NY
mailto:pjrose at

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