Section 123 (Engine Controls - Theory & Operation - CNG, Flex-Fuel & Gasoline): Introduction
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2003 Mercury Sable, 2003 Mercury Mountaineer, 2003 Mercury Marauder, 2003 Mercury Grand Marquis, and 2003 Lincoln Town Car. 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. Read this article before diagnosing vehicles or systems with which you are not completely familiar. To identify vehicles and engines, see FORD MOTOR CO. - INTRODUCTION - CARS or FORD MOTOR CO. - INTRODUCTION - TRUCKS article.