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EGR Valve Position EVP An EGR system that directly monitors EGR valve position to control EGR flow Electrically Erasable Programmable Read-Only Memory EEPROM
Electrically Programmable Read-Only memory EPROM
Electronic Secondary Air Injection EAIR A pump-driven system for providing secondary air using an electric air pump Engine Control Module ECM
Engine Coolant Level ECL
Engine Coolant Temperature ECT
ECT Sensor ECTS Thermistor which provides engine coolant temperature signal to the ECM to trigger enrichment circuits which increase injector 'on' time for cold start and warm-up Engine speed RPM
Environmental Protection Agency EPA
Evaporative Emission EVAP System designed to prevent fuel vapor from escaping into the atmosphere. Typically includes a charcoal filled canister to absorb fuel vapor |