Section 209 (ENGINE CONTROLS - THEORY & OPERATION - 6.6L Diesel): Introduction
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Unless specified otherwise, Sierra and Silverado information also applies Cab & Chassis Sierra and Cab & Chassis Silverado.
This article covers basic description and operation of engine performance-related systems and components. Read this article before diagnosing vehicles or systems with which you are not completely familiar.