Computerized Engine Controls: Notes

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. 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) and an Fuel Injection Control Module (FICM) for CNG operation. For PCM information, see REMOVAL & INSTALLATION - SIERRA & SILVERADO - FLEX-FUEL & GASOLINE article.