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Common car diagnostic acronyms
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> General car diagnostic information
Below is a list of common car diagnostic acronyms:
Acronym
Explanation
AMFR
Air Mass Flow Rate
CAN
Car Area Network / Controller Area Network
CTP
Closed Throttle Position
DTC
Diagnostic Trouble Code
ECM
Engine / Electronic Control Module
ECT
Engine Coolant Temperature
EGR
Exhaust Gas Recirculation
ELC
Electronic Level Control
EOBD
European On-Board Diagnostics
FMFR
Fuel Mass Flow Rate
IAC
Idle Air Control
IAT
Input Air Temperature
IDM
Ignition Discharge Module
KOEO
Key On Engine Off
KOER
Key On Engine Running
MAF
Mass Air Flow
MAP
Manifold Absolute Pressure
MIL
Malfunction Indicator Lamp
MOP
Metering Oil Pump
OBD
On-Board Diagnostics
OBD II
On-Board Diagnostics Second Generation
PCM
Powertrain Control Module
PRC
Pressure Regulator Control
TCM
Transaxle Control Module
TFT
Transmission Fluid Temperature
TPS
Throttle Position Sensor
WOT
Wide Open Throttle
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