Cutlass Supreme V6-204 3.4L DOHC VIN X SFI (1995)
Engine Control Module: Description and Operation
Powertrain Control Module (PCM)
Ignition System
DESCRIPTION
The Powertrain Control Module (PCM), located at the right hand side of the engine compartment, is the control center of the vehicle. It controls
the following:
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Fuel metering system.
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Transaxle shifting.
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Ignition timing.