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Malfunction Threshold The front secondary HO2S (bank 2, sensor 2) output voltage is 0.650 V or less. Driving Pattern 1. Start the engine. Let it idle until the radiator fan comes on. 2. Drive the vehicle at a steady speed of 35 mph (57 km/h) or more for at least 31.3 seconds. Drive the vehicle in this manner only if the traffic regulations and ambient conditions allow. Diagnosis Details Conditions for illuminating the MIL When a malfunction is detected during the first drive cycle, a Temporary DTC is stored in the PCM Conditions for clearing the MIL The MIL will be cleared if the malfunction does not recur during three consecutive trips in which the The MIL, the DTC, the Temporary DTC, and the freeze frame data can be cleared by using the scan tool DTC P2273 (162): ADVANCED DIAGNOSTICS DTC P2273: FRONT SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S (BANK 2, MAP value 34 kPa (9.9 in.Hg, 250 mmHg) 66 kPa (19.6 in.Hg, 500 mmHg) Vehicle speed 30 mph (48 km/h) - Fuel trim 0.73 1.47 Fuel feedback Closed loop No active DTCs P0107, P0108, P0111, P0112, P0113, P0117, P0118, P0153,
2007 Acura RL 2007 ENGINE PERFORMANCE Advanced Diagnostics - RL
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