Idle Stabilizer Valve, how tight?

Phil Rose pjrose at
Fri May 31 11:30:53 EDT 2002

At 9:48 PM -0700 5/30/02, Gene Caldwell wrote:
>Phil Rose wrote:
>>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
>I have used an old 9v radio battery with very good effect.

Sure it works, otherwise I wouldn't have recommended it. What I
wanted further input on was whether applying 12V might cause ISV


Phil Rose
Rochester, NY
mailto:pjrose at

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