Listed below are abbreviations that may appear in this manual.

AF

Alternative Fuels

AF ECU

Alternative Fuels Engine Control Unit

CNG

Compressed Natural Gas

FIL

Fuel Indicator Lamp

FPS

Fuel Pressure Sensor

FTS

Fuel Temperature Sensor

GDA

Gas Distribution Adapter

GMS/MCV

Gas Mass Sensor/Mixture Control Valve

HPL

High Pressure Lock-off

HPR

High Pressure Regulator

ORFS

O-ring Face Seal

PRD

Pressure Relief Device