Listed below are abbreviations that may appear in this manual.

AF

Alternative Fuels

AF ECM

Alternative Fuels Engine Control Module

CNG

Compressed Natural Gas

FIL

Fuel Indicator Lamp

FTP

Fuel Tank Pressure

FTT

Fuel Tank Temperature

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