![]() ![]() The housing contains a plunger that works with the pushrod. The valve lifters in these engines are fitted with spring loaded locking pins that connect the internal pin housing of the lifter to the outer housing. When commanded ON, the engine control module (ECM) commands the AFM system to deactivate cylinders 1 and 7 on the left bank and cylinders 4 and 6 on the right bank. The engine will operate on 8 cylinders in V8 mode during starting, idling, and medium or heavy throttle conditions. GM’s Active Fuel Management (AFM) works under certain light load driving conditions to maximize fuel economy by deactivating 4 of the engines 8 cylinders. Before you go there, you must first understand how the system works, because performing a disable on an engine with worn active fuel management components may cause additional damage. There are two ways to disable active fuel management on a GM vehicle, but first you have to determine whether your engine is a candidate for the delete or disable procedure. ![]() Make and Model > Chevrolet > camero > Disable Active Fuel Management Disable Active Fuel Management Should you delete Active Fuel Management on GM engine? Read this before you delete active fuel management cylinder deactivation ![]()
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