F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
Fuel: Specifications
Alternate Fuel
Do not use liquefied natural gas (LNG) or a CNG that is derived from a process such as flashing (heating LNG). Failure to use the correct
type of fuel may cause damage to the engine and fuel system components.
Use only a CNG fuel that meets the specification of NFPA-52 and SAE J1616 in your NGV. Specifications NFPA-52 and SAE J1616 place limits on
particulate contamination, oil contamination and moisture content to ensure a quality CNG fuel. The use of a CNG fuel that does not meet
specifications NFPA-52 and SAE J1616 is not recommended and may cause engine damage. Use of poor quality CNG fuel may result in: component
failure. leakage from the fueling point. Poor vehicle operation. Use of poor quality fuel may also result in your warranty being invalidated.
