B0279 Nissan Stagea Diagnostic Trouble Code

B0279 Nissan Stagea code definition:
B0279 is a kind of OBD-II Diagnostic B-Body Diagnostic Trouble Code for Nissan Stagea.

B0279 Nissan Stagea is described as Intake Air Temperature (IAT) Circuit Malfunction. It's actually a general trouble code for a problem on IAT electrical circuit sensor, as it sends incorrect voltage input signals to the PCM. Other symptoms that may indicate this problem are when the Check Engine Light illuminates and when there is a visible lack of engine power.

Symptoms

Symptoms of a B0279 Nissan Stagea diagnostic trouble code may include:
  • Reduction in engine performance, especially at low RPM levels
  • Vacuum leak on the engine
  • Diminished fuel efficiency
  • Poor fuel economy
Place of B0279 in engine

Possible Causes :

  • Faulty IMRC actuator/sensor
  • A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.
  • Dirty air cleaner element Damaged DPF

Common Misdiagnoses

  1. Crankshaft Position Sensor Circuit Performance Problem
  2. TP Sensor Learn Not Complete Problem
  3. Low Coolant Circuit Problem
  4. Cruise Control System - Vehicle Accel Too High Problem
  5. Kick-Down Switch Failed Short Problem

Repair Processes :

You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

Process Tips

Diagnostic trouble code B0279 Nissan Stagea is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before B0279 Nissan Stagea.

Fortunately, B0279 Nissan Stagea is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

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