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Home >> Cadillac >> 2005 >> STS 3.6 7 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System - 4.6L (LH2) - Introduction) >> Description and Operation >> Electronic Ignition (EI) System Description >> Camshaft Reluctor Wheels

Camshaft Reluctor Wheels

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The camshaft reluctor wheel is part of the camshaft position (CMP) actuator. This system consists of 2 different reluctor wheels. One for the exhaust camshafts on bank 1 and bank 2 and one for the intake camshafts on bank 1 and bank 2. The reluctor wheel on the exhaust CMP actuators has one tooth that extends 175 degrees around the circumference of the wheel. The reluctor wheel on the intake CMP actuators is an 8-tooth wheel that consists of 4 long and 4 short high and low phases. The 8X reluctor wheel is also used for the limp home mode.