Engine Controls - Theory & Operation - Gasoline: Introduction

NOTE: Unless specified otherwise, Sierra and Silverado information also applies to Cab & Chassis Sierra and Cab & Chassis Silverado. Savana information also applies to Savana Special and Savana Camper Special.

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.