P015B NISSAN SENTRA
P015B NISSAN SENTRA - Air Fuel Ratio Sensor 1 Bank 1 Circuit Delayed Response
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Possible causes
- Air Fuel Ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
- Air Fuel Ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
- Faulty Air Fuel Ratio (A/F) Sensor 1 Bank 1
- Air Fuel Ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
- Faulty Air Fuel Ratio (A/F) Sensor 1 Bank 1
Tech notes
Replacing the Air Fuel Ratio Sensor 1 Bank 1 usually takes care of the problem.
There is a service bulletin for the following Nissan Sentra:
2011 Nissan Sentra
2012 Nissan Sentra
Nissan Sentra Factory Service Bulletin OBDII Code P015B
The service bulletin suggest reprogramming the Engine Control Module (ECM) to fix the problem.
There is a service bulletin for the following Nissan Sentra:
2011 Nissan Sentra
2012 Nissan Sentra
Nissan Sentra Factory Service Bulletin OBDII Code P015B
The service bulletin suggest reprogramming the Engine Control Module (ECM) to fix the problem.
When is the code detected?
The response time of a A/F sensor 1 signal delays more than the specified time computed by Engine Control Module (ECM).
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- High Fuel Consumption
- Excessive Smoke from Exhaust
- High Fuel Consumption
- Excessive Smoke from Exhaust
P015B NISSAN SENTRA Description
The Air Fuel Ratio (A/F) sensor 1 is a planar one-cell limit current sensor. The sensor element of the A/F sensor 1 is composed an electrode layer, which transports ions. It has a heater in the element. The sensor is capable of precise measurement λ= 1, but also in the lean and rich range. Together with its control electronics, the sensor outputs a clear, continuous signal throughout a wide λ range. The exhaust gas components diffuse through the diffusion layer at the sensor cell. An electrode layer is applied voltage, and this current relative oxygen density in lean. Also this current relative hydrocarbon density in rich.
Therefore, the A/F sensor 1 is able to indicate air fuel ratio by this electrode layer of current. In addition, a heater is integrated in the sensor to ensure the required operating temperature of about 800°C (1,472°F).
Therefore, the A/F sensor 1 is able to indicate air fuel ratio by this electrode layer of current. In addition, a heater is integrated in the sensor to ensure the required operating temperature of about 800°C (1,472°F).
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