February 17, 200719 yr 24Air control valveAir control valve inoperative (Abnormal signal produced in monitor circuit)Prevents abnormal engine speed using "fuel cut" in relation to engine speed, vehicle speed, and throttle sensor position Quote from Legacy777's site This is the IAC right? I've seen this code pop up on a couple of normally idling legacys. Mine idle's fine, and will adjust the idle enough to drive the car with my foot off the gas in 4lo uphill, downhill ect. Why is it setting this code if the system is apparently working? The fuel cut kicks in if I floor the car off idle.
February 19, 200719 yr 24Air control valveAir control valve inoperative (Abnormal signal produced in monitor circuit)Prevents abnormal engine speed using "fuel cut" in relation to engine speed, vehicle speed, and throttle sensor position Quote from Legacy777's site This is the IAC right? I've seen this code pop up on a couple of normally idling legacys. Mine idle's fine, and will adjust the idle enough to drive the car with my foot off the gas in 4lo uphill, downhill ect. Why is it setting this code if the system is apparently working? The fuel cut kicks in if I floor the car off idle. Give it a good clean - use carby cleaner and squirt it out, spart some WD40 on it then put back together Cheers AP
February 20, 200719 yr Author I'd do that if it were sticking or acting funny, but it's not. It's working perfecly, but throwing a code anyway.
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