Originally Posted by KahnBB6

If it's the valve itself (and not the VSV solenoid) that has gone bad, try this thread. I found an Everco part number that requires just a little Dremel modification and re-use of your original pivot arm to replace the factory valve. It's nearly the same thing as the factory HCV. My solution is on page #5 and there are pages of other research and different fixes from O.L.T. and other members.

The part I used is an Everco #74636. It was $30-$40 or so IIRC.

https://www.clublexus.com/forums/per...l-valve-5.html

https://www.clublexus.com/forums/per...t-numbers.html