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Home >> Subaru >> 2014 >> Impreza Base, 4D Sedan >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (Except Hybrid) >> Drive Cycle >> Procedure >> Drive Cycle A >> Notes

Drive Cycle A: Notes

DTC Item Condition
*P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance -
*P0128 Coolant Thermostat (Engine Coolant Temperature Below Thermostat Regulating Temperature) -
*P0141 O2 Sensor Heater Circuit (Bank1 Sensor2) -
*P014C O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 1) -
*P014D O2 Sensor Slow Response - Lean to Rich (Bank 1 Sensor 1) -
*P015A O2 Sensor Delayed Response - Rich to Lean (Bank 1 Sensor 1) -
*P015B O2 Sensor Delayed Response - Lean to Rich (Bank 1 Sensor 1) -
*P0171 System Too Lean (Bank 1) Complete diagnosis with drive cycle B or C as well.
*P0172 System Too Rich (Bank 1) Complete diagnosis with drive cycle B or C as well.
*P0196 Engine Oil Temperature Sensor Circuit Range/Performance Engine oil temperature at engine start is approximately the same as ambient air temperature.
*P0300 Random/Multiple Cylinder Misfire Detected Complete diagnosis with drive cycle B or C as well.
*P0301 Cylinder 1 Misfire Detected Complete diagnosis with drive cycle B or C as well.
*P0302 Cylinder 2 Misfire Detected Complete diagnosis with drive cycle B or C as well.
*P0303 Cylinder 3 Misfire Detected Complete diagnosis with drive cycle B or C as well.
*P0304 Cylinder 4 Misfire Detected Complete diagnosis with drive cycle B or C as well.
*P0420 Catalyst System Efficiency Below Threshold (Bank 1) -
*P0459 Evaporative Emission System Purge Control Valve Circuit High -
*P2096 Post Catalyst Fuel Trim System Too Lean (Bank 1) Complete diagnosis with drive cycle B or C as well.
*P2097 Post Catalyst Fuel Trim System Too Rich (Bank 1) Complete diagnosis with drive cycle B or C as well.