What Does the P0086 Code Mean?
The P0086 code indicates that there is a problem with the exhaust valve control solenoid circuit. This solenoid is part of the variable valve timing (VVT) system, which helps improve engine efficiency by controlling the timing of the exhaust valve.
What Causes the P0086 Code?
Several factors can trigger the P0086 code, including:
- Engine oil level is too low
- Exhaust valve control solenoid failure
- Powertrain Control Module (PCM) failure
- The engine oil does not meet the manufacturer’s specifications
- Wiring issues related to the solenoid
What Are the Symptoms of the P0086 Code?
Symptoms you may experience with the P0086 code include:
- Decreased engine performance
- Engine may not start
- Increased fuel consumption
How Serious Is the P0086 Code?
The P0086 code is classified as urgent. It indicates that immediate action is necessary to prevent further damage to the vehicle. Ignoring this code could lead to severe engine performance issues and potential safety hazards.
How to Diagnose the P0086 Code
To diagnose the P0086 code, a mechanic will typically follow these steps:
- Retrieve the trouble codes using an OBD-II scanner.
- Inspect engine oil level and quality.
- Check the exhaust valve control solenoid and its wiring for damage.
- Test the Powertrain Control Module (PCM) functionality.
Common Repairs for the P0086 Code
Common repairs that may be required to fix the P0086 code include:
- Changing the engine oil and filter
- Replacing the exhaust valve control solenoid
- Repairing or replacing damaged wiring and connectors
- Addressing PCM issues, if necessary
How Much Does It Cost to Fix the P0086 Code?
The cost of repairing the P0086 code can vary significantly based on the specific cause of the issue and labor rates in your area. On average, you might expect to pay between $100 and $500, depending on whether you need a simple oil change or more complex repairs involving the solenoid or PCM.
Can I Fix the P0086 Code Myself?
While some aspects of the P0086 code can be addressed by DIY enthusiasts, such as changing the oil or checking fluid levels, it’s recommended to consult a professional mechanic for accurate diagnosis and repair of electrical components and the PCM.
