Removal & Installation
WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
All vehicles are equipped with a Powertrain Control Module (PCM) for gasoline operation and an Fuel Injection Control Module (FICM) for CNG operation. For PCM information, see POWERTRAIN CONTROL MODULE under COMPUTERIZED ENGINE CONTROLS in CHEVY EXPRESS & SAVANA - GASOLINE article.