Common Abbreviations


former sccoa webmaster
ACT Air Charge Temperature (sensor)
AFPR Adjustable Fuel Pressure Regulator
ATF Automatic Transmission Fluid
AOD Automatic Overdrive Transmission – the 89-93 auto trans.
AODE Automatic Overdrive (Electronic) Transmission
4R70W AODE with wide ratio gear set – the 94/95 auto trans.
ARC Adjustable Ride Control
CPS Crankshaft Position Sensor
DIS Distributorless Ignition Sensor
EEC Electronic Engine Controller. Also ECM and ECU
ECT Engine Coolant Temperature
EFI Electronic Fuel Injection
EGR Exhaust Gas Recirculation (valve)
FPR Fuel Pressure Regulator
HO High Output
HP Horse Power
IAB Idle Air Bypass
IC Intercooler
IRS Independent Rear Suspension
KOEO Key On Engine Off
KOER Key On Engine Running
LPH Liter Per Hour (fuel measurement)
M5R2 Mazda 5 speed manual transmission
MAF Mass Air Flow
MAFS Mass Air Flow Sensor
MAP Manifold Absolute Pressure
MIL Malfunction Indicator Light (check engine light)
N20 Nitrous Oxide
NOS Nitrous Oxide Systems, Nitrous Oxide
O2 Oxygen Sensor
PCV Positive Crankcase Ventilation
PIP Profile Ignition Pickup
PSI Pounds/Square inch (boost measurement)
RPM Revolutions per Minute
RWHP Rear Wheel Horse Power
SC Supercharger/Supercharged/Super Coupe
SEFI Sequential Electronic Fuel Injection
TB Throttle Body
TPS Throttle Position Sensor
VMM Vehicle Maintenance Monitor
VSS Vehicle Speed Sensor, which is attached to the transmission
WOT Wide Open Throttle