Site abbreviation key

If you’re not sure what the abbreviation means, just look below and hopefully it will help.

ABS-Anti-Lock Braking System
AFM - Air flow meter (mk1) - (tells ECU volume and temperature of air being drawn into the engine)
AFPR - Auxiliary Fuel Pressure Regulator
ARB - Anti-Roll Bars (or ‘Sway Bars’ in Yankee terminology)
BBR - Brodie Britain Racing (Usually in connection with Turbo on
early cars done by this company)

BBS - Baumgartner Brand Schiltach (Alloy wheel manufacturer)
BOV - Blow-off Valve
BRG - British Racing Green
BTB - Big Throttle Body
BTDC - Before Top Dead Centre
CAI - Cold Air Induction
CAS - Crank Angle Sensor
CEL- Check Engine Light
CTP - Closed Throttle Position
DHT- Detachable Hard Top
DSC-Dynamic Stability Control.
EBA-Emergency Brake Assist.
EBD-Electronic Brake-force Distribution.
ECU - Engine Control Unit
EFI - Electronic Fuel Injection
EGI - Electronic Gasoline Injection
EGR - Exhaust Gas recirculation
EGT - Exhaust Gas temperature
FBS - Fault Brake System
FEN - Fault Engine
FI - Forced Induction or Fuel Injection.
FM - Flyin Miata
FM1 - Entry-level turbo kit offered by Flyin Miata
FM2 - Turbo kit offered by Flyin Miata
GND - Ground
HLA - Hydraulic Lash Adjusters (aka Hydraulic Tappets)
HO2S - Heated Oxygen Sensor
HRW - Heated Rear Window
HVAC - Heating, Ventilation & Air Conditioning
IAC / IACV - Idle Air Control Valve - (Under throttle body, in conjunction with the bleed screw regulates flow of air into inlet manifold when throttle butterfly is closed)
IAT - Intake Air Temperature
ILM - IL Motorsports
IRTB - Individual Runner Throttle Bodies
ITB - Individual Throttle Bodies
JDM - Japanese Domestic Market
JRCAI - Jackson Racing Cold Air Induction
JRSC - Jackson Racing Supercharger
LSD - Limited Slip Differential
LWSC - Short Nose Crank (aka Lightweight Sports Crank)
KLN - K-Line
MAF - Mass Air Flow sensor (mk2)
MAIDAS-Mazda Advanced Impact Distribution and Absorption System.
(Engineered triple H body structure to help protect occupants from impact forces)
MAP - Manifold Absolute Pressure
MCL - Mazda Cars Limited
MEN - Monitor Engine
MIL - Malfuntion Indicator Lamp
Mk - Mark (model variant)
MMUK - Mazda Motors U.K.
MMNE - Mazda Motors Northern Europe
MMNA - Mazda Motors North America
M45 - The smaller supercharger offering a.k.a JRSC
MP62 - The larger supercharger offering
MSSS- Mazda Sensory Sound System
MX - Mazda experimental
MZR- Mazda Responsive
NA - Mark 1
NA - Normally Aspirated or Mk1 model with pop-up lights
NB - Mark 2
NB FL - Mark 2 Face Lift or Mark 2.5
NC - Mark 3
NRV-Non Return Valve
O2S - Oxygen Sensor
OBD - On-Board Diagnostics
OE - Original Equipment
P5 - Performance 5, UK vendor of Superchargers suspension upgrades etc
PAS - Power Assisted Steering
PCM - Powertrain Control Module (Due to one and the same unit being used to control Engine and Gearbox hence “powertrain”)
PCV - Positive Crankcase Ventilation valve - (One-way valve that allows air to be drawn into the inlet manifold from the oil catch built into the cam cover under vacuum conditions within inlet manifold)
PPF - Power Plant Frame
RB - Racing Beat
RHT- Retractable Hard Top
RX - Rotary experimental
SRS-Supplementary Restraint System.
TB - Throttle Body
TCS-Traction Control System.
TDC - Top Dead Centre
TEN - Test Engine
TPS - Throttle Position Sensor - (On side of throttle body, tells ECU how wide open the throttle butterfly is)
TSI - Turn Signal Intakes (which replace the sidelight clusters and get cool air into the engine bay)
VICS - Variable Inertia Charging System
VIS-Variable Induction System.
VVT - Variable Valve Timing
WOT - Wide Open Throttle
YMMV - Your Mileage May Vary (Indicating that you may have a different experience)

and a few for information purpose’s

IIRC - If I Remember Correctly
IITFB - It’s in the Manual!
IMO - In my opinion
IMHO - In my honest opinion
LOL - Laugh out load
NACA - National Advisory Committee for Aeronautics (the predecessor of NASA) who designed the original “NACA duct”, a version of which is often seen on MX-5 headlamp covers
PITA - Pain in the arse
PMSL - P***ing my self laughing
ROFL - Rolling on floor laughing
ROFLOL - Rolling on floor laughing out loud
RTFM - Read the Manual!
TBH - To be honest
WYSIWYG - What you see is what you get