GM Service Manual Online
For 1990-2009 cars only

Abbreviation

Meaning

Listed below are abbreviations that may appear in this manual.

AF

Alternative Fuels

AF ECM

Alternative Fuels Engine Control Module

CNG

Compressed Natural Gas

FTP

Fuel Tank Pressure Sensor

FTT

Fuel Tank Temperature Sensor

IPR

Intermediate Pressure Regulator

LPG

Liquid Petroleum Gas

ORFS

O-ring Face Seal

PRD

Pressure Relief Device