P0086 Fault Code

Exhaust Valve Control Solenoid Circuit High (Bank 2)

• What does that mean?
• Symptoms
• Causes
• Solutions

P0086 is a fault code that indicates a problem with the Exhaust Valve Control Solenoid Circuit on Bank 2 of the engine. This code is triggered when the Engine Control Module (ECM) detects a higher than expected voltage in the circuit.

Possible causes of this issue may include a faulty exhaust valve control solenoid, wiring or connection issues, or a malfunctioning ECM. To resolve this problem, the circuit should be inspected for any visible damage, and the solenoid and connections should be tested to determine if they are functioning correctly. If any faulty components are detected, they should be repaired or replaced as needed.

It is important to address this issue promptly, as it can lead to poor engine performance, reduced fuel efficiency, and potential damage to other engine components if left unresolved. It is recommended to have a qualified mechanic diagnose and address the underlying cause of the P0086 fault code to ensure the proper functioning of the vehicle.

What are the symptoms of the P0086 code?

Here are the symptoms that may accompany the P0086 fault code on cars:

• Check Engine Light illuminated
• Poor engine performance
• Rough idling
• Decreased fuel efficiency

What causes the P0086 code?

Here is the common causes of the P0086 fault code on cars:

• Faulty exhaust valve control solenoid
• Open or short circuit in the exhaust valve control solenoid circuit
• Poor electrical connection in the solenoid circuit
• Engine control module (ECM) issue

How to fix P0086?

Here are steps to fix the P0086 fault code on cars:

1. Check the wiring and connectors of the Exhaust Valve Control Solenoid (Bank 2).
2. Inspect the Exhaust Valve Control Solenoid (Bank 2) for any signs of damage or malfunction.
3. Test the Exhaust Valve Control Solenoid (Bank 2) to ensure it is functioning correctly.
4. If necessary, replace the Exhaust Valve Control Solenoid (Bank 2) with a new one.
5. Clear the fault code with an OBD-II scanner and ensure the issue has been resolved.

Make sure to follow these steps carefully and consider seeking professional help if needed.