Fuel Injection Line Routing Diagram

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Fuel System Overview

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Rail
2	Fuel Junction Block
3	Fuel Injector
4	Fuel System Cooler
5	Fuel Tank
6	Fuel Injection Control Module
7	Fuel Filter
8	First Start Fuel Bleeder Valve
9	Fuel Injection Pump