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  |