I have an 86' Syncro, and when I turn on the AC initially everything is
fine. It works great.  After a period of driving when I come down to idle it
sticks around 2500 rpm. A few times it has stuck there and I waited about 30
seconds and all of a sudden it just dropped down to normal. It also drops
back to normal when I shut off the AC.  This leads me to believe a switch or
valve is sticking. Does anyone know what valve controls the Idle when the AC
is on, and whether or not this could be my problem?
Thanks for advanced

Ramon Celaya
Syncro 86
Weekender 87
Mexicali, Baja California; Mexico

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