Computerized Engine Controls: Notes

WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: All vehicles are equipped with a Powertrain Control Module (PCM) for gasoline operation and an Alternate Fuel Engine Control Module (AF ECM) for CNG operation. For PCM information, see REMOVAL, OVERHAUL & INSTALLATION - CHEVY EXPRESS & SAVANA - GASOLINE article.