Engine and Emission System Identification

ENGINE IDENTIFICATION
Engine VIN Code [1] 9
Engine Displacement 4.6L (281 CID)
Engine Configuration V8 SOHC

EMISSION SYSTEMS AND DEVICES*
Computerized Engine Controls EEC V (OBD II)
Fuel System Type Compressed Natural Gas Injection
Positive Crankcase Ventilation PCV
Air Injection System (AIS) None
Exhaust Gas Recirculation Differential Pressure Feedback
Evaporative Emission Control None
Catalytic Convertor (CAT) Two Three-way Catalysts
Ignition System (SPK) Coil On Plug
Fillpipe Restrictor None
Oxygen Sensor [2]

* Always consult the vehicle's underhood emission label.
[1] The eighth digit of the Vehicle Identification Number (VIN) identifies the engine installed in the vehicle.
[2] Four Heated Oxygen Sensors (H02S).