B0279 Lancia Prisma Diagnostic Trouble Code

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

B0279 Lancia Prisma is defined as Knock Sensor Circuit Range Performance (Bank 1 or Single Sensor). This refers to camshaft timing, which in this case is over-retarded. The PCM then uses this data to provide the right strategies for the fuel delivery and ignition timing of the engine.

Symptoms

Symptoms of a B0279 Lancia Prisma diagnostic trouble code may include:
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. Vehicle Speed Output Circuit Problem
  2. Cruise Control Servo Indicates Low Problem
  3. A/C System High Pressure High Temperature Problem
  4. PCM Stack Overrun Problem
  5. Transmission Control Module Reprogrammable Memory 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 Lancia Prisma 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 Lancia Prisma.

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

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