ENGINE 273 MPFI 247 ENGINE ABBREVIATIONS EMS Engine Management System ECU Electronic Control Unit OBD On Board Diagnosis DTC Diagnostic Trouble Code T-MAP Temperature and ManifoldAir Pressure HO2S1 Oxygen Sensor (Lambda Sensor) IACV Intake Air Control Valve ADCs devices Analog To Digital Convertor devices I/O drivers Input Output drivers DG DG abbreviation is used for Crank Shaft Position Sensor RPM Revolution Per Minute LED Light Emitting Diode COM Computer Serial Port (RS-232) MIL Malfunctioning Indication Lamp
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