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Emission Control Device Abbreviations

ABBREVIATION DEFINITIONS

Abbreviation Definition
A/CL Air Cleaner
AIR Air Injection Reactor
A/T Automatic Transmission
CCV Crankcase Control Valve
CNG Compressed Natural Gas
CPI Central Port Injection
DISTR Distributor
DVTR Diverter Valve
EFE Early Fuel Evaporation
EGR Exhaust Gas Recirculation
EGR SOL EGR Solenoid
EPR Exhaust Pressure Regulator
ESC Electronic Spark Control
HVAC Refers to A/C System
MAP Manifold Air Pressure Sensor
M/T Manual Transmission
MTR Motor
PCV Positive Crankcase Ventilation
PFI Port Fuel Injection
TBI Throttle Body Injection
TRC Throttle Return Control
TVS Thermal Vacuum Switch
VAC Vacuum