U2073 Bentley Mark+VI Diagnostic Trouble Code

U2073 Bentley Mark+VI code definition:
U2073 is a kind of OBD-II Diagnostic U-Network Diagnostic Trouble Code for Bentley Mark+VI.

U2073 Bentley Mark+VI is defined as Ignition Coil B Primary/Secondary Circuit Malfunction.This code is a generic trouble code, meaning it applies to all vehicles equipped with OBD-II tool, or vehicles made since 1996 up to present. As you drive and when specific conditions are slowly met, the vapors will gradually purge from the charcoal canister and will get burned within your engine.

Symptoms

Symptoms of a U2073 Bentley Mark+VI diagnostic trouble code may include:
  • Poor fuel economy
  • Possible spark knock (detonation / pre-ignition)
  • Misfire
  • Rich or lean exhaust
Place of U2073 in engine

Possible Causes :

  • The Mass Airflow sensor will also cause this problem. Mass Airflow circuit malfunction.
  • Fuel with a large percentage of sulfur will clog the DPF quickly
  • A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.

Common Misdiagnoses

  1. Exhaust Gas Recirculation System Valve 1 Problem
  2. BBV Sensor Circuit Low Voltage Problem
  3. Transmission Engaged At High Throttle Angle Problem
  4. Cruise Inhibit Control Circuit Problem
  5. TFP Valve Position Switch-Drive Without Drive Ratio Problem

Repair Processes :

Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness. You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data.

Process Tips

Diagnostic trouble code U2073 Bentley Mark+VI 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 U2073 Bentley Mark+VI.

Fortunately, U2073 Bentley Mark+VI is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

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