C0085 Rolls-royce Silver Wraith Diagnostic Trouble Code

C0085 Rolls-royce Silver Wraith code definition:
C0085 is a kind of OBD-II Diagnostic C-Chassis Diagnostic Trouble Code for Rolls-royce Silver Wraith.

C0085 Rolls-royce Silver Wraith is defined as Cylinder 3 Injector Circuit Malfunction. This code means the PCM (powertrain control module, also known as ECM or engine control) has detected a problem in the injector or its wiring, or in injector circuit for cylinder 3. So if the problem persists despite of your diagnosis, then you should never hesitate to take your vehicle to your dealer or to a qualified mechanic.

Symptoms

Symptoms of a C0085 Rolls-royce Silver Wraith diagnostic trouble code may include:
Place of C0085 in engine

Possible Causes :

  • Faulty IMRC actuator relay (if equipped)
  • A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
  • An air leak forward of the DPF will change the sensor readings resulting in the code

Common Misdiagnoses

  1. TP Sensor Learn Not Complete Problem
  2. Low Coolant Circuit Problem
  3. Cruise Control System - Vehicle Accel Too High Problem
  4. TFP Valve Position Switch-Drive Without Drive Ratio Problem
  5. Problem

Repair Processes :

Now, clear the codes and test-drive the vehicle to see if the code is reset. Look for missing ground strap or a rusty ground where the fuel tank is grounded to the frame. Check for damage to the wiring harness connector.

Process Tips

Diagnostic trouble code C0085 Rolls-royce Silver Wraith 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 C0085 Rolls-royce Silver Wraith.

Fortunately, C0085 Rolls-royce Silver Wraith is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

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