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P0160 - O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2

Possible causes
- Faulty Rear Heated Oxygen Sensor Bank 2
- Rear Heated Oxygen Sensor Bank 2 harness is open or shorted
- Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks
Tech notes
Replacing the Rear Heated Oxygen Sensor Bank 2 usually takes care of the problem
When is the code detected?
The P0160 code is set when the voltage signal sent from the sensor to the Engine Control Module is constant.
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- High Fuel Consumption
- Excessive Smoke from Exhaust
P0160 Description

The heated oxygen sensor 2 (HO2S), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. For optimum catalyst operation, the air fuel mixture (air-fuel ratio) must be maintained near the ideal stoichiometric ratio. The HO2S output voltage changes suddenly in the vicinity of the stoichiometric ratio. The Engine Control Module (ECM) adjusts the fuel injection time so that the air-fuel ratio is nearly stoichiometric. The HO2S generates a voltage between 0.1 and 0.9 V in response to oxygen in the exhaust gas. If the oxygen in the exhaust gas increases, the air-fuel ratio becomes Lean. The ECM interprets Lean when the HO2S voltage is below 0.45 V. If the oxygen in the exhaust gas decreases, the air-fuel ratio becomes Rich. The ECM interprets Rich when the HO2S voltage is above 0.45 V.

OBDII Code P0160 - O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2 - AutoCodes.com
P0160 Information for specific makes
P0160 AUDI HO2S22 Sensor Circuit No Activity Detected  P0160 Image
P0160 BMW O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2  P0160 Image
P0160 BUICK O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2  P0160 Image
P0160 CADILLAC O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2  P0160 Image
P0160 CHEVROLET O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2  P0160 Image
P0160 GMC O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2  P0160 Image
P0160 HYUNDAI HO2S Circuit No Activity Detected Bank 2 Sensor 2  P0160 Image
P0160 INFINITI O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2  P0160 Image
P0160 JAGUAR O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2  P0160 Image
P0160 KIA HO2S21 Circuit No Activity Detected  P0160 Image
P0160 MAZDA HO2S LR Circuit No Activity Detected  P0160 Image
P0160 MERCEDES-BENZ O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2
P0160 MINI O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2  P0160 Image
P0160 MITSUBISHI Cylinder 2-3 Rear Heated Oxygen Sensor No Activity Detected  P0160 Image
P0160 NISSAN O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2  P0160 Image
P0160 PONTIAC O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2  P0160 Image
P0160 SATURN O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2  P0160 Image
P0160 SUBARU HO2S22 No Activity Detected  P0160 Image
P0160 VOLKSWAGEN HO2S22 Sensor Circuit No Activity Detected  P0160 Image
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