Acronyms (What certain terms seen here mean)
Nov 10, 2008 2:14:52 GMT -5
richied38 and jbeck8626 like this
Post by Stinger on Nov 10, 2008 2:14:52 GMT -5
Mostly Compiled by TurboRay of Turboford.net, I've added some as well
Note that not all are 2.3T specific, but are commonly used on this forum:
ACT = Air Charge Temperature (sensor).
AFPR = Adjustable Fuel Pressure Regulator.
AFR = Air/Fuel Ratio.
AOD = Automatic OverDrive (trans), not OEM on T/F's.
ATDC = After Top Dead Center (crank position).
A/R = Area Radius ("size" of turbine/exh hsg).
AWIC = Air-to-Water InterCooler.
A4LD = Auto 4spd Lockup-converter Drive trans (87-up T/F's).
BPS = Barometric Pressure Sensor.
BCS = Boost-Control Solenoid.
BOO = Brake On-Off (signal to EEC).
BOV = Blow-Off Valve (vents boost to atmosphere upon decel).
BPV = By-Pass Valve (recirc's boost to turbo inlet upon decel).
BTDC = Before Top Dead Center (crank position).
CAI = Cold Air Intake.
CC = Cubic Centimeter(s).
CEL = Check Engine Light (aka MIL), indicates EEC-syst prob.
CFI = Central Fuel Injection (aka TBI).
CFM = Cubic Feet per Minute.
CHRA = Center Housing Rotating Assembly (center section).
CID = Cubic Inch Displacement.
CM = CentiMeter(s).
CO = Carbon Monoxide (exh/smog component, measured in %).
COP = Coil On Plug (individual ign coil on each sp/plug).
CO2 = Carbon Dioxide (exh/smog component, measured in %).
CPS = Crank (or, Cam) Position Sensor.
CPU = Central Processor Unit (computer).
C/R = Compression Ratio.
DIS = Distributorless Ignition System.
DOHC = Dual OverHead Cam.
DOL = Data Output Link (EEC to trip minder, only late TC's).
DP = Down Pipe.
DPH = Dual-Plug Head.
DS = Drive Shaft.
DTC = Diagnostic Trouble Code.
ECT = Engine Coolant Temperature (sensor).
ECU = Engine Control Unit (computer).
EEC = Electronic Engine Control.
EEC-IV = Electronic Eng Control, 4th-generation.
EFI = Electronic Fuel Injection.
EGO = Exhaust Gas Oxygen (sensor).
EGR = Exhaust Gas Recirculation (smog device).
EGT = Exhaust Gas Temperature.
EMS = Engine Management System.
ET = Elapsed Time.
EWG = External Waste Gate.
FMIC = Front-Mounted InterCooler.
FMU = Fuel Management Unit (aka, rising-rate FPR).
FPR = Fuel Pressure Regulator.
GPH = Gallons Per Hour (liquid flow measurement).
GPM = Gallons Per Minute.
HC = HydroCarbon (exh/smog component, measured in ppm).
H/G = Head Gasket.
HLA = Hydraulic Lash Adjuster ("lifter").
HSC = High Swirl Comb. (Tempo, etc - pushrod 2.3, not a T/F).
IAB = Idle Air Bypass (valve/solenoid, aka IAC/ISC).
IAC = Idle Air Control (valve/solenoid, aka ISC/IAB).
IC = InterCooler.
ID = Inside Diameter.
IDM = Ignition Diagnostic Monitor (EEC circuit).
IHI = Ishikawajima-Harima Ind ("small" OEM T/F turbo, 87-89).
IRCM = Integrated Relay Control Module (87-up TF's).
ISC = Idle Speed Controller (aka IAB/IAC).
J3 = Chip that plugs into the stock ecu & changes ecu parameters.
J/Y = Junk Yard.
KAPWR = Keep Alive PoWeR (12V to EEC "memory", not switched).
KM = KiloMeter(s).
KOEO = Key On Engine Off (EEC self-test mode).
KOER = Key On Engine Running (EEC self-test mode).
KS = Knock Sensor.
LCA = Lower Control Arm (suspension component).
LCA = Lobe Centerline Angle (cam positioning term).
LPH = Liters Per Hour (liquid flow measurement).
LSA = Lobe Separation Angle (between int & exh lobes).
LSD = Limited Slip Differential.
MAF = Mass Air Flow (meter, or eng-mgt system).
MAP = Manifold Absolute Pressure (sensor).
MCU = Microprocessor Control Unit (computer).
MIL = Malfunction Indicator Light (aka CEL), ind's EEC-syst prob.
MLS = Multiple Layer Steel (head gasket), i.e. Mr gasket #3180G.
MM = MilliMeter(s).
MPI = Multi-Port Inj (sequential or batch/gang-fired).
MS = Megasquirt EFI System
MS1 = Megasquirt Version 1
MS2 = Megasquirt Version 2
N/A = Normally Aspirated.
NHRA = Nat'l Hot Rod Assoc (Dominant drag-racing organization).
NOS = Nitrous Oxide Systems (brand name), or New Old Stock.
NOX = OXides of Nitrogen (exh/smog component, measured in %)
NPR = Isuzu "NPR" box-truck intercooler (large & small).
NPT = National Pipe Thread.
N2O = Nitrous (2 parts nitrogen) Oxide (1 part oxygen).
OBD-I = OnBoard Diagnostic system, 1st-gen (80-95).
OBD-II = OnBoard Diagnostic system, 2nd gen (96-up).
OE = Original Equipment.
OEM = Original Equipment Manufacturer.
OD = Outside Diameter.
OHC = OverHead Cam.
02 = Oxygen (sensor).
PCM = Powertrain Control Module (computer).
PCV = Positive Crankcase Ventilation (valve/system).
PIP = Profile Ignition Pickup (Hall-Effect ignition trigger).
P/N = Part Number.
PPH = Pounds Per Hour (liquid flow measurement).
PPM = Parts Per Million (measurement, i.e. = HC emissions).
PSI = Pounds per Square Inch (boost, fuel, etc).
PW = Pulse Width (time inj's are open in MS/miliseconds).
RPM = Revolutions Per Minute.
SC = Super Coupe (factory-s/charged T/Bird).
S/C = Super Charger.
SD = Speed Density (eng-mgt system).
SEFI = Sequential Electronic Fuel Injection.
SEMA = Specialty Equipment Manufacturers Association.
SFI = SEMA Found., Inc (sets safety stds for hipo/race equip).
SHO = Super High Output (model of DOHC Taurus).
SOHC = Single OverHead Cam.
SPOUT = SPark OUTput connector (remove to set timing).
SROD = Single Rail OverDrive (early 4 spd trans).
S/S = Stainless Steel.
STI = Self-Test Input (EEC circuit).
STO = Self-Test Output (EEC circuit).
SVO = Special Vehicle Operations (also, 84-86 Mustang model).
TB = Throttle Body.
TBI = Throttle Body Injection (aka CFI).
TC = Turbo Coupe.
TCA = Tubular Control Arm (suspension component).
TDC = Top Dead Center (crank position).
TFI = Thick Film Ignition (module).
T/F = Turbo Ford (factory-turboed Ford, Mercury or Merkur).
TPS = Throttle Position Sensor.
TSB = Technical Service Bulletin.
TVS = Temperature-controlled Vacuum Switch.
UCA = Upper Control Arm (suspension component).
VAF = Vane Air Flow (meter).
VAM = Vane Air Meter.
VAT = Vane Air Temperature (sensor).
VE = Volumetric Efficiency (air consumption÷displacement).
VREF = Voltage REFerence (regulated voltage to sensors).
VSS = Vehicle Speed Sensor.
WBO2 = Wide Band Oxygen (sensor).
WG = Waste Gate.
WGA = Waste Gate Actuator (WG servo/canister).
WOT = Wide Open Throttle.
Anni = Anniversary edition.
Baro = Barometric pressure (sensor).
Cat = Catalytic converter.
C3 = 3-spd light-duty auto trans (79-86 T/F's).
C4 = 3-spd moderate-h/duty auto trans (69-up).
Dizzy = Distributor.
Duraspark = Magnetic-triggered Ford ignition (74-82).
E3 = (abbr) Early crack-prone 2.3 turbo exh man (83-85).
E6 = (abbr) Late 2.3 turbo exh man (86-89).
Flow = Flowmaster chambered muffler (brand name).
Lambda = (sensor), aka oxygen sensor.
LA3, PE (+ many others) = "Catch Codes" for 2.3T ECU's.
Lima = Family of Ford engs orig-made in Lima, Ohio (incl 2.3).
Merk = Merkur XR4Ti.
Sig Rtn = Signal Return (EEC circuit, similar to ground).
Stage II, III, IV, etc = Sizes of turbine (exh) wheels/impellers.
Stoich = Stoichiometric (14.7:1 "ideal" AFR at idle/light cruise).
Two/2-Step = Two-stage rev limiter, low limit is switch-activated.
T3 = Model of Garrett/AiResearch Turbo ("larger" OEM T/F, 79-86).
T3/T4 = "Hybrid" turbo made with T3 turbine & T4 compressor.
T-5 = Borg Warner 5 spd used in Ford/Mercury T/F's.
T-9 = Borg Warner 5 spd used in Merkurs & Scorpios.
XR7 = (Cougar model) Mercury's version of the TC.
1035 = part number of FelPro heavy duty head gasket.
46, 50, 57, P(etc)-trim = Sizes of compressor wheels/impellers.
Note that not all are 2.3T specific, but are commonly used on this forum:
ACT = Air Charge Temperature (sensor).
AFPR = Adjustable Fuel Pressure Regulator.
AFR = Air/Fuel Ratio.
AOD = Automatic OverDrive (trans), not OEM on T/F's.
ATDC = After Top Dead Center (crank position).
A/R = Area Radius ("size" of turbine/exh hsg).
AWIC = Air-to-Water InterCooler.
A4LD = Auto 4spd Lockup-converter Drive trans (87-up T/F's).
BPS = Barometric Pressure Sensor.
BCS = Boost-Control Solenoid.
BOO = Brake On-Off (signal to EEC).
BOV = Blow-Off Valve (vents boost to atmosphere upon decel).
BPV = By-Pass Valve (recirc's boost to turbo inlet upon decel).
BTDC = Before Top Dead Center (crank position).
CAI = Cold Air Intake.
CC = Cubic Centimeter(s).
CEL = Check Engine Light (aka MIL), indicates EEC-syst prob.
CFI = Central Fuel Injection (aka TBI).
CFM = Cubic Feet per Minute.
CHRA = Center Housing Rotating Assembly (center section).
CID = Cubic Inch Displacement.
CM = CentiMeter(s).
CO = Carbon Monoxide (exh/smog component, measured in %).
COP = Coil On Plug (individual ign coil on each sp/plug).
CO2 = Carbon Dioxide (exh/smog component, measured in %).
CPS = Crank (or, Cam) Position Sensor.
CPU = Central Processor Unit (computer).
C/R = Compression Ratio.
DIS = Distributorless Ignition System.
DOHC = Dual OverHead Cam.
DOL = Data Output Link (EEC to trip minder, only late TC's).
DP = Down Pipe.
DPH = Dual-Plug Head.
DS = Drive Shaft.
DTC = Diagnostic Trouble Code.
ECT = Engine Coolant Temperature (sensor).
ECU = Engine Control Unit (computer).
EEC = Electronic Engine Control.
EEC-IV = Electronic Eng Control, 4th-generation.
EFI = Electronic Fuel Injection.
EGO = Exhaust Gas Oxygen (sensor).
EGR = Exhaust Gas Recirculation (smog device).
EGT = Exhaust Gas Temperature.
EMS = Engine Management System.
ET = Elapsed Time.
EWG = External Waste Gate.
FMIC = Front-Mounted InterCooler.
FMU = Fuel Management Unit (aka, rising-rate FPR).
FPR = Fuel Pressure Regulator.
GPH = Gallons Per Hour (liquid flow measurement).
GPM = Gallons Per Minute.
HC = HydroCarbon (exh/smog component, measured in ppm).
H/G = Head Gasket.
HLA = Hydraulic Lash Adjuster ("lifter").
HSC = High Swirl Comb. (Tempo, etc - pushrod 2.3, not a T/F).
IAB = Idle Air Bypass (valve/solenoid, aka IAC/ISC).
IAC = Idle Air Control (valve/solenoid, aka ISC/IAB).
IC = InterCooler.
ID = Inside Diameter.
IDM = Ignition Diagnostic Monitor (EEC circuit).
IHI = Ishikawajima-Harima Ind ("small" OEM T/F turbo, 87-89).
IRCM = Integrated Relay Control Module (87-up TF's).
ISC = Idle Speed Controller (aka IAB/IAC).
J3 = Chip that plugs into the stock ecu & changes ecu parameters.
J/Y = Junk Yard.
KAPWR = Keep Alive PoWeR (12V to EEC "memory", not switched).
KM = KiloMeter(s).
KOEO = Key On Engine Off (EEC self-test mode).
KOER = Key On Engine Running (EEC self-test mode).
KS = Knock Sensor.
LCA = Lower Control Arm (suspension component).
LCA = Lobe Centerline Angle (cam positioning term).
LPH = Liters Per Hour (liquid flow measurement).
LSA = Lobe Separation Angle (between int & exh lobes).
LSD = Limited Slip Differential.
MAF = Mass Air Flow (meter, or eng-mgt system).
MAP = Manifold Absolute Pressure (sensor).
MCU = Microprocessor Control Unit (computer).
MIL = Malfunction Indicator Light (aka CEL), ind's EEC-syst prob.
MLS = Multiple Layer Steel (head gasket), i.e. Mr gasket #3180G.
MM = MilliMeter(s).
MPI = Multi-Port Inj (sequential or batch/gang-fired).
MS = Megasquirt EFI System
MS1 = Megasquirt Version 1
MS2 = Megasquirt Version 2
N/A = Normally Aspirated.
NHRA = Nat'l Hot Rod Assoc (Dominant drag-racing organization).
NOS = Nitrous Oxide Systems (brand name), or New Old Stock.
NOX = OXides of Nitrogen (exh/smog component, measured in %)
NPR = Isuzu "NPR" box-truck intercooler (large & small).
NPT = National Pipe Thread.
N2O = Nitrous (2 parts nitrogen) Oxide (1 part oxygen).
OBD-I = OnBoard Diagnostic system, 1st-gen (80-95).
OBD-II = OnBoard Diagnostic system, 2nd gen (96-up).
OE = Original Equipment.
OEM = Original Equipment Manufacturer.
OD = Outside Diameter.
OHC = OverHead Cam.
02 = Oxygen (sensor).
PCM = Powertrain Control Module (computer).
PCV = Positive Crankcase Ventilation (valve/system).
PIP = Profile Ignition Pickup (Hall-Effect ignition trigger).
P/N = Part Number.
PPH = Pounds Per Hour (liquid flow measurement).
PPM = Parts Per Million (measurement, i.e. = HC emissions).
PSI = Pounds per Square Inch (boost, fuel, etc).
PW = Pulse Width (time inj's are open in MS/miliseconds).
RPM = Revolutions Per Minute.
SC = Super Coupe (factory-s/charged T/Bird).
S/C = Super Charger.
SD = Speed Density (eng-mgt system).
SEFI = Sequential Electronic Fuel Injection.
SEMA = Specialty Equipment Manufacturers Association.
SFI = SEMA Found., Inc (sets safety stds for hipo/race equip).
SHO = Super High Output (model of DOHC Taurus).
SOHC = Single OverHead Cam.
SPOUT = SPark OUTput connector (remove to set timing).
SROD = Single Rail OverDrive (early 4 spd trans).
S/S = Stainless Steel.
STI = Self-Test Input (EEC circuit).
STO = Self-Test Output (EEC circuit).
SVO = Special Vehicle Operations (also, 84-86 Mustang model).
TB = Throttle Body.
TBI = Throttle Body Injection (aka CFI).
TC = Turbo Coupe.
TCA = Tubular Control Arm (suspension component).
TDC = Top Dead Center (crank position).
TFI = Thick Film Ignition (module).
T/F = Turbo Ford (factory-turboed Ford, Mercury or Merkur).
TPS = Throttle Position Sensor.
TSB = Technical Service Bulletin.
TVS = Temperature-controlled Vacuum Switch.
UCA = Upper Control Arm (suspension component).
VAF = Vane Air Flow (meter).
VAM = Vane Air Meter.
VAT = Vane Air Temperature (sensor).
VE = Volumetric Efficiency (air consumption÷displacement).
VREF = Voltage REFerence (regulated voltage to sensors).
VSS = Vehicle Speed Sensor.
WBO2 = Wide Band Oxygen (sensor).
WG = Waste Gate.
WGA = Waste Gate Actuator (WG servo/canister).
WOT = Wide Open Throttle.
Anni = Anniversary edition.
Baro = Barometric pressure (sensor).
Cat = Catalytic converter.
C3 = 3-spd light-duty auto trans (79-86 T/F's).
C4 = 3-spd moderate-h/duty auto trans (69-up).
Dizzy = Distributor.
Duraspark = Magnetic-triggered Ford ignition (74-82).
E3 = (abbr) Early crack-prone 2.3 turbo exh man (83-85).
E6 = (abbr) Late 2.3 turbo exh man (86-89).
Flow = Flowmaster chambered muffler (brand name).
Lambda = (sensor), aka oxygen sensor.
LA3, PE (+ many others) = "Catch Codes" for 2.3T ECU's.
Lima = Family of Ford engs orig-made in Lima, Ohio (incl 2.3).
Merk = Merkur XR4Ti.
Sig Rtn = Signal Return (EEC circuit, similar to ground).
Stage II, III, IV, etc = Sizes of turbine (exh) wheels/impellers.
Stoich = Stoichiometric (14.7:1 "ideal" AFR at idle/light cruise).
Two/2-Step = Two-stage rev limiter, low limit is switch-activated.
T3 = Model of Garrett/AiResearch Turbo ("larger" OEM T/F, 79-86).
T3/T4 = "Hybrid" turbo made with T3 turbine & T4 compressor.
T-5 = Borg Warner 5 spd used in Ford/Mercury T/F's.
T-9 = Borg Warner 5 spd used in Merkurs & Scorpios.
XR7 = (Cougar model) Mercury's version of the TC.
1035 = part number of FelPro heavy duty head gasket.
46, 50, 57, P(etc)-trim = Sizes of compressor wheels/impellers.