P0084 Fault Code

P0084 OBD-II Trouble Code Short Description

Exhaust Valve Control Solenoid Circuit (Bank 2)

What does trouble code P0084 mean?

The P0084 fault code relates to the Exhaust Valve Control Solenoid Circuit on Bank 2 of a vehicle. This code indicates that there is a malfunction or defect in the circuit responsible for controlling the exhaust valve in the Bank 2 of the engine.

Possible reasons for this fault code include issues with the exhaust valve control solenoid itself, wiring problems, or a faulty engine control module. When this code is triggered, it can lead to various symptoms such as reduced engine performance, increased fuel consumption, and even engine misfires.

To address the P0084 fault code, it is recommended to first visually inspect the wiring and connections related to the exhaust valve control solenoid in Bank 2. Any damaged or loose connections should be repaired or replaced. If no visual issues are found, then testing the solenoid and related components with a multimeter may be necessary to pinpoint the exact cause of the fault.

If the problem persists after checking the wiring and solenoid, it is advisable to seek professional help from a certified mechanic or dealership. They can conduct a thorough diagnostic to accurately identify the root cause of the issue and perform the necessary repairs or replacements to remedy the problem effectively.

Symptoms

What are the symptoms of the P0084 code?

  • Rough idle
  • Misfiring
  • Decreased engine performance
  • Check Engine Light illuminated

Causes

What causes the P0084 code?

P0084 - Exhaust Valve Control Solenoid Circuit (Bank 2)

Possible Causes:

  1. Faulty exhaust valve control solenoid
  2. Open or short circuit in the wiring related to the exhaust valve control solenoid
  3. Poor electrical connection at the exhaust valve control solenoid
  4. ECM (Engine Control Module) issue

Possible Solutions

How to fix P0084?

To fix the P0084 fault code on cars related to the Exhaust Valve Control Solenoid Circuit in Bank 2, follow these steps:

  1. Check and replace any damaged wiring or connectors related to the exhaust valve control solenoid circuit in Bank 2.
  2. Test the exhaust valve control solenoid in Bank 2 to ensure it is functioning correctly; replace if necessary.
  3. Inspect the engine control module (ECM) for any faults or malfunctions that may be causing the error code P0084.
  4. Clear the fault codes using a diagnostic scanner and check if the code reappears after driving the vehicle.
  5. If the issue persists, seek assistance from a professional mechanic or dealership for further diagnosis and repair.