GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2004
🢒
Express (CNG)
🢒 FICM,Solenoids, Tank Sensors
FICM,Solenoids, Tank Sensors
Power, Ground, Solenoids -- Fuel, Sensors -- Tank
Engine Controls Components
Fuel System Description
Rail Sensors, Injector Inputs, PWM Circuits
Fuel Gage Select Switch and Fuel Indicator Lamp
OBD II Symbol Description Notice