BLM - Block learn multiplier (ECM parameter)

Cat - Catalytic converter

C3 - Type of ECM used on the Turbo Regals

C3I - Computer controlled coil ignition

CPS - Crank position sensor

CTS - Coolant Temperature Sensor

ECM - Electronic control module

EGR - Exhaust gas recirculation, EGR valve

ESC - Electronic Spark Control

EST - Electronic Spark Timing

FP - Fuel pressure

G80 - Limited slip differential option

GN - Grand National

GNX - Limited production special Grand National

IAC - Idle air control, IAC motor

LC2 - Turbo 3.8 engine option in '86-'87

LM9 - Turbo 3.8 engine option in '84-'85

LV8 - Load variable (ECM parameter)

MAF - Mass air flow sensor

MAT - Manifold air temperature sensor

mV - Millivolts

N2O - Nitrous oxide

O2 - Oxygen, Oxygen sensor

PSI - Pounds per square inch

PWM - Pulse Width Modulated

RPM - Revolutions per minute

SCAN tool - A device to read ECM parameters

SFI - Sequential Fuel Injection

TCC -Torque converter clutch

TPS - Throttle position sensor

TR - Turbo Regal (any T-Type, Grand National, Sport Coupe)

TV - Throttle valve, TV cable

V - Volts

VSS - Vehicle Speed Sensor

WE2 - Grand National option package

WE4 - Low production Turbo-T option for '87. Package features black T with grey bucket interior. Uses GN bumpers. No Regal badges on rear quarters and no hood ornament.

WOT - Wide open throttle

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