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Home >> Chevrolet >> 1997 >> Forward Control 5.7 R, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul - 5.7L (P Series) >> Ignition System >> Powertrain Control Module (Pcm) >> Removal
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Powertrain Control Module (Pcm): Removal

Ensure ignition switch is in OFF position. Disconnect negative battery cable. Unplug electrical connectors from PCM. Remove PCM from vehicle. Remove access cover and remove knock sensor module from PCM.