Abbreviations

ALCL connector
Assembly Line Communications Link (also ALDL)
ALDL connector
Assembly Line Diagnostic Link (also ALCL)
Cat
Catalytic converter
CCC system
Computer Command Control (also C3)
CFI
Crank Fire Ignition
cc
cubic centimeters
ci
cubic inches
DIS
Distributorless Ignition System
ECM
Electronic Control Module
EECS
Evaporative Emission Control System
EGR
Exhaust Gas Recirculation
ESC
Electronic Spark Control
EST
Electronic Spark Timing
HEI
High Energy Ignition
IAC
Idle Air Control
MAP
Manifold Absolute Pressure
MAT
Manifold Air Temperature
MPFI
Multi-port Fuel Injection
O2 sensor
Oxygen sensor
PCM
Powertrain Control Module
PCV
Positive Crankcase Ventilation
TBI
Throttle-body Injection
TCC
Torque Converter Clutch
TPI
Tuned Port Injection
TPS
Throttle Position Sensor
Thermac
THERMostatic Air Cleaner
UBT
Universal Bolt Tool (vise grips)
VECI label
Vehicle Emissions Control Information
Credits: Doug Chase, Peter Frise, Dave Nelson, Oliver Scholz, Aaron Smith, Sketch.

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