F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)

For complete diagnosis of the Engine Control system, follow this link: See: Powertrain Management/Computers and Control Systems/Testing and
Inspection
For complete diagnosis of the Engine Control system, follow this link: See: Powertrain Management/Computers and Control Systems/Testing and
Inspection