Acronyms and Abbreviations list
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Diesel Fan
Joined: Aug 2012
Posts: 15
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From: Mira Loma, CA
Acronyms and Abbreviations list
I have been continually interrupted in my effort to absorb the valuable information contained on this site by my lack of understanding of the various acronyms and abbreviations used. I found a few partial listings but if a more detailed list exists I didn't find it so decided to make my own.
I thought I’d share with the other rookies. Anyone see any errors or have anything to add?
AP = Accelerator Pedal position sensor
BARO = Barometric Pressure Sensor
CAC = Charge Air Cooler
CAC tube= intercooler tube to and from intercooler (cold air charge tube)
CEL= Check Engine Light
CP3 = High Pressure Injection Fuel Pump. Also known as: IP
CMP = Camshaft Position sensor
DTC = Diagnostic Trouble Code
EBP = Exhaust Back Pressure
ECT= engine coolant temp
EOC = Engine Oil Cooler. It is situated directly below your engine oil filter, right on top of the engine.
EPB sensor= exhaust back pressure sensor
EOT = Engine Oil Temperature
EPR = Exhaust Back Pressure Regulator, also EBP regulator
FICM = Fuel Injection Control Module
FPR = Fuel Pressure Regulator
FPRV = Fuel Pressure Relief Valve
GPC = Glow Plug Control
GPL = Glow Plug Light
GPM = Glow Plug Monitor
HPOP = High Pressure Oil Pump
IAT = Intake Air Temperature sensor
IC= intercooler
IDM = Injector Driver Module
IP = see CP3
IPC =
ICP= Injection Control Pressure , sensor
IPR = Injector Pressure Regulator
IVS = Idle Validation Switch
LP = Lift Pump. Not used on stock trucks, (performance mod)
MM3 = Fuel quantity measured in Cubic Millimeters
MAF sensor = Mass Airflow sensor. Not all years have them.
MAP = Manifold Absolute Pressure sensor
MAT = Manifold Air Temperature sensor
MIL = Malfunction Indicator Lamp. "Check Engine" or "Service Engine" light
PCM = Powertrain Control Module, also ECU or ECM for Electronic Control Unit or Module
PID = Parameter Identification, also Data Stream or Sensor Data
MPa = Megapascal. 1 MPa = about 145 PSI
PASM =Positive Air Shut off Module
STC fitting = snap to connect fitting on 05+ high pressure oil pumps
TFT = Trans Fluid Temp
V PWR = Battery Voltage
I thought I’d share with the other rookies. Anyone see any errors or have anything to add?
AP = Accelerator Pedal position sensor
BARO = Barometric Pressure Sensor
CAC = Charge Air Cooler
CAC tube= intercooler tube to and from intercooler (cold air charge tube)
CEL= Check Engine Light
CP3 = High Pressure Injection Fuel Pump. Also known as: IP
CMP = Camshaft Position sensor
DTC = Diagnostic Trouble Code
EBP = Exhaust Back Pressure
ECT= engine coolant temp
EOC = Engine Oil Cooler. It is situated directly below your engine oil filter, right on top of the engine.
EPB sensor= exhaust back pressure sensor
EOT = Engine Oil Temperature
EPR = Exhaust Back Pressure Regulator, also EBP regulator
FICM = Fuel Injection Control Module
FPR = Fuel Pressure Regulator
FPRV = Fuel Pressure Relief Valve
GPC = Glow Plug Control
GPL = Glow Plug Light
GPM = Glow Plug Monitor
HPOP = High Pressure Oil Pump
IAT = Intake Air Temperature sensor
IC= intercooler
IDM = Injector Driver Module
IP = see CP3
IPC =
ICP= Injection Control Pressure , sensor
IPR = Injector Pressure Regulator
IVS = Idle Validation Switch
LP = Lift Pump. Not used on stock trucks, (performance mod)
MM3 = Fuel quantity measured in Cubic Millimeters
MAF sensor = Mass Airflow sensor. Not all years have them.
MAP = Manifold Absolute Pressure sensor
MAT = Manifold Air Temperature sensor
MIL = Malfunction Indicator Lamp. "Check Engine" or "Service Engine" light
PCM = Powertrain Control Module, also ECU or ECM for Electronic Control Unit or Module
PID = Parameter Identification, also Data Stream or Sensor Data
MPa = Megapascal. 1 MPa = about 145 PSI
PASM =Positive Air Shut off Module
STC fitting = snap to connect fitting on 05+ high pressure oil pumps
TFT = Trans Fluid Temp
V PWR = Battery Voltage
