Embedded Files
A - Ampere(s)
A-h - Ampere Hour
A/T – Automatic Transmission
ABS – Anti-Lock Brakes
AC - Alternating Current
A/C - Air Conditioning
ACCEL - Accelerator
AIR - Air Injection Reaction System
ALDL - Assembly Line Diagnostic Link
Alt. – Alternator
AMP - Ampere(s)
ANT - Antenna
ASM - Assembly
AT - Automatic Transmission
ATDC - After Top Dead Center
ATF – Automatic Transmission Fluid
Auto - Automatic
AWD – All Wheel Drive
BARO - Barometric
Bat - Battery
Bat + - battery Positive Terminal
bbl - Barrel
BCM – Body Control Module
BDC - Bottom Dead Center
BS - Bump Stop (aka Jounce Bumper)
BP - Back Pressure
BTDC - Before Top Dead Center
BTU – British Thermal Unit
CARB - California Air Resources Board
Carb. - Carburetor
Calif. - California
CAT or Cat. Conv. - Catalytic Converter
CCA - Cold Cranking Amps
CID - Cubic Inch Displacement
CKP - Crank Position Sensor
CL - Closed Loop
CO - Carbon Monoxide
CMP - Camshaft Position Sensor
CO2 - Carbon dioxide
CPI - Central Port Fuel Injection
Crank - Crankshaft
CTS - Coolant Temperature Sensor
DC - Direct Current
DIC – Driver Information Center
Diff - Differential
DIS – Direct Ignition System
Dist - Distributor
DLC - Diagnostic Link Connector
DOHC – Double Overhead Camshaft
DRL – Daytime Running Lamps
DVM - Digital Volt Meter
ECM – Engine Control Module
ECT – Engine Coolant Temperature
EFI – Electronic Fuel Injection
EGR – Exhaust Gas Re-circulation
EOP - Engine Oil Pressure
ESC - Electronic Spark Control
EST - Electronic Spark Timing
EVO - Electronic Variable Orifice
FI – Fuel Injection
FED - Federal (all states except California)
FWD – Front-Wheel Drive
GAL - Gallon
Gen - Generator
Gov - Governor
GPS – Global Positioning System
GVW – Gross Vehicle Weight
Harn - Harness
HD – Heavy Duty
HEI - High Energy Ignition
HID – High Intensity Discharge
HiAlt - High Altitude
HO - High Output
Hz - Hertz
I/C - Instrument Cluster
IC - Integrated Circuit
I/P – Instrument Panel
IPC - Instrument Panel Cluster
IAC – Idle Air Control
ICE – Internal Combustion Engine
ICM - Ignition Control Module
ID - Inside Diameter
IGN - Ignition
INJ - Injection
kg - Kilogram
kHz - Kilohertz
km - Kilometer
km/h - Kilometers per Hour
kPa - Kilopascal
kV - Kilovolt
kW - Kilowatt
L - Liter
L4 – Four Cylinder Inline Engine
LAPS - Local Area Parts Store
LCD – Liquid Crystal Display
LED – Light Emitting Diode
L/S - Liters per Second
LSD – Limited Slip Differential
LWB – Long Wheel-Base
MAF -Mass Air Flow
MAP – Manifold Absolute Pressure
MAT - Manifold Air Temperature
Max - Maximum
MFI – Multiport Fuel Injection
MIL – Malfunction Indicator Light (AKA Check Engine Light)
MPFI - Multi Port Fuel Injection
MPG – Miles per Gallon
MPGe – Miles per gallon equivalent (for electric vehicles)
MPV – Multi-Purpose Vehicle
mV - Milli Volt
NC - Normally Closed
N.m - Newton Meters
NO - Normally Open
NOx - Oxides of Nitrogen
O2 – Oxygen
OBD – On-board Diagnostics
OD - Outside Diameter
OD – Overdrive
OE – Original Equipment
OEM – Original Equipment Manufacturer
OL - Open Loop
P/B - Power Brakes
P/N – Part Number
PCM – Powertrain Control Module
PCV - Positive Crankcase Ventilation
P/N – Park/Neutral
PRNDL – Park, Reverse, Neutral, Drive, Low
PROM - Programmable Read Only Memory
P/S – Power Steering
PSI – Pounds per Square Inch
Pt - Pint
Qt - Quart
R-12 - Dichlorodifluoromethane Refrigerant(Brand name Freon-12)
R-134a - 1,1,1,2-Tetrafluoroethane Refrigerant
RDS – Radio Display System
RF – Radio Frequency
RF – Right Front
RFI – Radio Frequency Interference
RKE – Remote Keyless Entry
RPM – Revolutions Per Minute
RPO – Regular Production Option
R&R – Remove and Replace
RV – Recreational Vehicle
RWAL – Rear Wheel Anti-lock
RWD – Rear Wheel Drive
SAE - Society of Automotive Engineers
SCPI - Sequential Central Port Fuel Injection
Sec - Secondary
SES - Service Engine Soon
SI - System International
SIR – Supplemental Inflatable Restraint (AKA Airbags)
SO2 - Sulfur Dioxide
SPEC - Specification
Speedo - Speedometer
SRS – Supplemental Restraint System
SWB – Short Wheel-Base
TACH – Tachometer
TB – Throttle Body
TBI - Throttle Body Injection
TCC - Transmission Converter Clutch
TDC - Top Dead Center
Term - Terminal
TEMP - Temperature
TPS - Throttle Position Sensor
TV - Throttle Valve
TVS - Thermal Vacuum Switch
U-Joint - Universal Joint
V - Volt(s)
Vac. or VAC – Vacuum
VCM - Vehicle Control Module
VIN – Vehicle Identification Number
VOM – Volt-Ohmmeter
VSS – Vehicle Speed Sensor
V-4 - Four Cylinder "V" Engine
V-6 - Six Cylinder "V" Engine
W - Watt
w/ - With
w/o - Without
WOT - Wide Open Throttle
Symbols:
° - Degrees
Ω - Ohm
∞ - Infinity
< - Less than
> - Greater than
∠ - Angle
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