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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls - 2.4L - Introduction (2 Of 2)) >> Description and Operation >> Camshaft Actuator System Description >> Camshaft Position (CMP) Actuator System

Camshaft Position (CMP) Actuator System

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The camshaft position (CMP) actuator system is used on both the intake and exhaust camshafts. The CMP actuator system is used for a variety of engine performance enhancements. These enhancements include lower emission output through exhaust gas recirculation (EGR) control, a wider engine torque range, improved gas millage, and improved engine idle stability. The CMP actuator system accomplishes this by controlling the amount of intake and exhaust valve overlap.