This is the current General Truck FUAL.
Please respond with additions, changes, or clarifications.
A/C - Air Conditioning
AC - Air Cleaner
AD - Advance Design(1947 2nd series to 1955 1st series)
AIR - secondary air injection
A/T - Automatic Transmission
AP - Accelerator Pedal ???
ATDC - After Top Dead Center
B+ - Battery (+)positive voltage
BARO - Barometric Pressure ???
BB - Big Bolts(1.5 Ton and up)
BC - Blue Chip ('55-'59 GMC)
BBC - Big Block Chevy
BBFH - Bigger BFH
BFH - Big Friggin' Hammer
BFW - Big Friggin' Wrench
BOV - Blow Off Valve
BTDC - Before Top Dead Center
BRG - Acceptable abbreviation for Bearing(s) (not an acronym)
CAC - Charge Air Cooler
CD - Capacitive Discharge
CFI - Continuous Fuel Injection
CID - Cubic Inch Displacement
CL - Closed Loop
CKP - Crankshaft Position Sensor
CKP REF - Crankshaft Reference
CMP - Camshaft Position Sensor
CMP REF - Camshaft Reference
CO - Carbon Monoxide
CO2 - Carbon Dioxide
COE - Cab Over Engine
CPP - Clutch Pedal Position
CTOX - Continuous Trap Oxidizer
CTP - Closed Throttle Position
Deco - Art Deco or"Victory"(1941 to 1947 1st series)-AD is taken already
DEPS - Digital Engine Position Sensor
DFCO decel fuel cut-off mode
DFI - Direct Fuel Injection
DLC - Data Link Connector
DTC - Diagnostic Trouble Code
DTM - Diagnostic Test Mode
EBCM - Electronic Brake Control Module
EBTCM - Electronic Brake Traction Control Module
EC - Engine Control
ECM - Engine Control Module
ECL - Engine Coolant Level
ECT - Engine Coolant Temperature
EEPROM - Elecrically Erasable Programmable Read Only Memory
EFE - Early Fuel Evaporation
EFI - Electronic Fuel Injection
EGR - Exhaust Gas Recirculation
EGRT - EGR Temperature
EI - Electronic Ignition
EM - Engine Modification
ENG - SAE abbreviation for engine (not an acronym)
EPROM - Erasable Programmable Read Only Memory
EVAP - Evaporative Emission System
FC - Fan Control
FEEPROM - Flash Electrically Erasable Programmable Read Only Memory
FLAPS - Friendly Local Auto Parts Store
FF - Flexible Fuel
FP - Fuel Pump
FPROM - Flash Erasable Programmable Read Only Memory
FT - Fuel Trim
FTP - Federal Test Procedure
FUAL - Frequently Used Acronym List
GCM - Governor Control Module
GEN - Generator
GND - Ground
GS - Greasy Spoon
GT - General Truck (talk)
H20 - Water
HEI - High Energy Ignition
HO2S - Heated Oxygen Sensor
HO2S1 - Upstream Heated Oxygen Sensor
HO2S2 - Up or Downstream Heated Oxygen Sensor
HO2S3 - Downstream Heated Oxygen Sensor
HC - Hydro-Carbon
HVS - High Voltage Switch
HVAC - Heating Ventilation and Air Conditioning system
IA - Intake Air
IAC - Idle Air Control
IAT - Intake Air Temperature
IC - Integrated Circuit
ICM - Ignition Control Module
IFI - Indirect Fuel Injection
IFS - Independent Front Suspension
I/M - Inspection/Maintenance
IPC - Instrument Panel Cluster
IRS - Independent Rear Suspension
ISC - Idle Speed Control
KOEC - Key On, Engine Cranking
KOEO - Key On, Engine Off
KOER - Key On, Engine Running
KS - Knock Sensor
KSM - Knock Sensor Module
LTFT - Long Term Fuel Trim
LWB - Long Wheel Base
MAF - Mass Airflow Sensor
MAP - Manifold Absolute Pressure Sensor
MC - Mixture Control
MDP - Manifold Differential Pressure
MFI - Multiport Fuel Injection
MIL - Malfunction Indicator Lamp
MPG - Miles Per Gallon
MPH - Miles Per Hour
MPQ - Miles Per Quart
MST - Manifold Surface Temperature
MVZ - Manifold Vacuum Zone
ND - New Design ('47-'55 GMC)
NVRAM - Non-Volatile Random Access Memory
NOs - Nitrus Oxide
NOS - New, Old Stock
NORS - New, Old Replacement (or Re-manufactured) Stock
NORP - New, Old Re-manufactured (or Replacement) Part
O2S - Oxygen Sensor
OBD - On-Board Diagnostics
OBD I - On-Board Diagnostics (generation one)
OBD II - On-Board Diagnostics (second generation)
OC - Oxidation Catalyst
ODM - Output Device Monitor
OE - Operator Error
OEM - Original Equipment (from the) Manufacturer
OL - Open Loop
OSC - Oxygen Sensor Storage ???
PAIR - Pulsed (secondary) AIR (injection)
PANS - Pretty Amazing New Stuff
PCM - Powertrain Control Module
PCV - Positive Crankcase Ventilation
PNP - Park/Neutral Switch(Neutral safety switch???)
PO - Previous Owner
POTS - Pretty Old Time Stuff
POV - Pop Off Valve
PROM - Program Read Only Memory
PSA - Pressure Switch Assembly
PSP - Power Steering Pressure
PTOX - Periodic Trap OXidizer
RAD - SAE abbreviation for Radiator (not an acronym)
RAM - Random Access Memory
RM - Relay Module
ROM - Read Only Memory
RPM - Revolutions Per Minute
RPO - Regular Production Option
SAE - Society of Automotive Engineers
SBC - Small Block Chevy
SC - Super-Charger
SCB - Super-Charger Bypass
SDM - Sensing Diagnostic Mode
SFI - Sequential Fuel Injection
SLURP - Simple Lightweight Unpretentious Retro Pickup
SNAFU - Situation Normal - All Fouled Up
SNS - Show 'N' Shine
SRI - Service Reminder Indicator(Check engine light???)
SRT - System Readiness Test
STFT short term fuel trim
SWB short wheel base
TB - Throttle Body
TBI - Throttle Body Injection
TC - Turbo-Charger
TCC - Torque Converter Clutch
TCM - Transmission Control Module
TDC - Top Dead Center
TF - Task Force(1955 2nd series to 1959)
TFP - Throttle Fluid Pressure
TP - Throttle Position
TPS - Throttle Position Sensor
TSP - The Stovebolt Page
TVV - Thermal Vacuum Valve
TWC - Three Way Catalyst
TWC+OC - Three Way + Oxidation Catalytic Converter(isn't TW+OCC the right order of letters???)
VAF - Volume Air-Flow
VCM - Vehicle Control Module
VIN - Vehicle Identification Number
VR - Voltage Regulator
VS - Vehicle Sensor
VSS - Vehicle Speed Sensor
WIP - Work In Process
WU-TWC - Warm Up Three Way Catalytic Converter
WOT - Wide Open Throttle
Last edited by 54TOW; 05/10/2008 3:47 AM. Reason: Ch, ch, ch, ch, changes
