The idle air control valve (IACV) is a device attached to the throttle body that helps keep the engine of a vehicle running without throttle input, such as when the car is idling in traffic or parked ...
Question: I have a 1999 Chevrolet Silverado S10 and, lately, the engine has been surging while at an idle. I was told this could be a “dirty ETV valve.” Does that sound right? What else might be the ...
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