The ICV thing has me a little confused. When you remove power from the ICV, the idle speed goes up to around 1500. So losing power to the ICV should never cause a stall, right? You would just have an abnormally high idle speed.

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1985 380SE Blue/Blue - 230,000 miles
2012 Subaru Forester 5-speed
2005 Toyota Sienna
2004 Chrysler Sebring convertible
1999 Toyota Tacoma