Listed below are abbreviations that may appear in this manual.

AF

Alternative Fuels

AF ECM

Alternative Fuels Engine Control Module

CNG

Compressed Natural Gas

FCS

Fuel Control Solenoid

FIL

Fuel Indicator Lamp

FPS

Fuel Pressure Sensor

FTS

Fuel Temperature Sensor

HPL

High Pressure Lock-off

HPR

High Pressure Regulator

ICS

Idle Control Solenoid

LPL

Low Pressure Lock-off

LPR

Low Pressure Regulator

ORFS

O-ring Face Seal

PRD

Pressure Relief Device