Section 255 (Engine Controls - Theory & Operation - 2.2L): Introduction
WARNING: This page is about a different car, the 2003 Pontiac Sunfire, 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
This article covers basic description and operation of engine performance-related systems and components including Cavalier equipped with Bi-Fuel - Compressed Natural Gas (CNG). Read this article before diagnosing vehicles or systems with which you are not completely familiar. For component locations, see COMPONENT LOCATIONS in SELF-DIAGNOSTICS - 2.2L ALERO, CAVALIER, GRAND AM & SUNFIRE - GASOLINE article and/or COMPONENT LOCATIONS in SELF-DIAGNOSTICS - 2.2L CAVALIER - BI-FUEL - CNG/GASOLINE article.