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6E–180 6VE1 3.5 ENGINE DRIVEABILITY AND EMISSIONS DTC P0140 – HO2S Circuit Insufficient Activity BANK 1 SENSOR 2 (Cont'd) Step No Yes Value(s) Action 8 1. Ignition “OFF”. Bank 1 HO2S 2 high circuit. 3. If the Bank 1 HO2S 2 low circuit measures over 5.0 ohms, repair open or poor connection as necessary. Was a Bank 1 HO2S 2 low circuit problem found and — Verify repair Go to Step 9 9 1. Ignition “ON”, engine“OFF”. high and low circuits (PCM side) to ground. 3. Using a Tech 2, monitor Bank 1 HO2S 2 voltage. Is Bank 1 HO2S 2 voltage in the specified range? 0-10 mV Go to Step 10 Go to Step 11 10 Replace Bank 1 HO2S 2. Is the action complete? — Verify repair — 11 Replace the PCM. IMPORTANT: The replacement PCM must be On-Vehicle Service in Powertrain Control Module and Sensors for And also refer to latest Service Bulletin. Check to see if the Latest software is released or not. Is the action complete? — Verify repair — |