>Please note that I forgot to mention that I had also disconnected the ISV >and the surging did not subside...in fact it went to a higher RPM. So I >assume it is working as it is supposed to. Also...I went out and started >the car this morning and the problem had dissappeared. Totally >strange..... Idle switch Later! Eric Fletcher S.O.C. '87 5KCSTQIA2RSR2B St. Louis, MO STEADIRIC@aol.com