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P0130 2008 NISSAN MAXIMA

P0130 2008 NISSAN MAXIMA - Air Fuel Ratio Circuit Bank 1 Sensor 1

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3   
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Possible causes

  • Faulty Air fuel ratio (A/F) sensor bank 1 sensor 1
  • Air fuel ratio (A/F) sensor bank 1 sensor 1 harness is open or shorted
  • Air fuel ratio (A/F) sensor bank 1 sensor 1 circuit poor electrical connection
  • Inappropriate fuel pressure
  • Faulty fuel injectors
  • Intake air leaks may be faulty
  • Exhaust gas leaks

Tech notes

Replacing the Air fuel ratio (A/F) sensor bank 1 sensor 1 usually takes care of the problem.

When is the code detected?

The Air Fuel Ratio (A/F) signal computed by Engine Control Module (ECM) from the A/F sensor 1 signal is constantly in the range other than approx. 1.5V.

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • High Fuel Consumption
  • Excessive Smoke from Exhaust

P0130 2008 Nissan Maxima Description

The Air Fuel Ratio (A/F) sensor is a planar dual-cell limit current sensor. The sensor element of the A/F sensor is the combination of a Nernst concentration cell (sensor cell) with an oxygen-pump cell, 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 range (0.7 < λ < air).

The exhaust gas components diffuse through the diffusion gap at the electrode of the oxygen pump and Nernst concentration cell, where they are brought to thermodynamic balance. An electronic circuit controls the pump current through the oxygen pump cell so that the composition of the exhaust gas in the diffusion gap remains constant at λ = 1. Therefore, the A/F sensor is able to indicate air/fuel ratio by this pumping of current. In addition, a heater is integrated in the sensor to ensure the required operating temperature of 700 - 800°C (1,292 - 1,472°F).

OBDII Code P0130 2008 Nissan Maxima - Air Fuel Ratio Circuit Bank 1 Sensor 1 - AutoCodes.com

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