Engine-CodesSubaru – P0246 Subaru

P0246 Subaru Code - Turbo/Super Charger Wastegate Solenoid 'A' High

Quick Answer

The P0246 code for Subaru vehicles indicates a problem with the Turbo/Super Charger Wastegate Solenoid 'A' being too high. Common causes include Faulty wastegate solenoid, Electrical issues in the solenoid circuit, Wiring harness problems. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0246 Subaru indicates Turbo/Super Charger Wastegate Solenoid 'A' High.
Common causes
Common causes include Faulty wastegate solenoid, Electrical issues in the solenoid circuit, Wiring harness problems.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0246 Subaru Description

The P0246 code for Subaru vehicles indicates a problem with the Turbo/Super Charger Wastegate Solenoid 'A' being too high. The wastegate solenoid is a crucial component of the turbocharger system, responsible for controlling the boost pressure in the engine. When this solenoid malfunctions and reads a high signal, it can lead to various issues with the turbocharger system, affecting the vehicle's performance and fuel efficiency.

OBDII Code P0246 Subaru - Turbo/Super Charger Wastegate Solenoid 'A' High
P0246 Subaru Code - Turbo/Super Charger Wastegate Solenoid 'A' High

Common Causes of P0246 Subaru

  1. Faulty wastegate solenoid
  2. Electrical issues in the solenoid circuit
  3. Wiring harness problems
  4. Vacuum leaks in the turbocharger system
  5. Carbon buildup in the wastegate mechanism

Symptoms of P0246 Subaru

  1. Check Engine Light illuminated on the dashboard
  2. Reduced power and acceleration
  3. Poor fuel economy
  4. Turbocharger overboost
  5. Engine knocking or pinging noises

How to Fix P0246 Subaru

  1. Begin by diagnosing the wastegate solenoid using a scan tool to confirm the P0246 code.
  2. Inspect the wiring harness and connectors for any signs of damage or corrosion, repairing or replacing as needed.
  3. Test the wastegate solenoid for proper operation and replace it if found to be faulty.
  4. Check for vacuum leaks in the turbocharger system and repair any leaks found.
  5. Clear the trouble code from the vehicle's computer and test drive to ensure the issue has been resolved.

Cost to Fix P0246 Subaru

The typical repair costs for addressing a P0246 code on a Subaru vehicle can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Factors such as location, vehicle make and model, and engine type can also impact the overall repair costs. For a more accurate estimate, it is recommended to consult with local auto repair shops.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0246 Subaru Code

1. What are the common symptoms of OBDII code P0246 in a Subaru related to the Turbo/Super Charger Wastegate Solenoid 'A' High?

- Common symptoms may include reduced engine power, decreased fuel efficiency, and potentially the vehicle going into limp mode.

2. What could cause the Turbo/Super Charger Wastegate Solenoid 'A' High code P0246 in a Subaru?

- Possible causes include a faulty wastegate solenoid, wiring issues, vacuum leaks, or a malfunctioning turbocharger.

3. How can I diagnose the Turbo/Super Charger Wastegate Solenoid 'A' High code P0246 in my Subaru?

- Diagnosis typically involves checking the wastegate solenoid for proper operation, inspecting the wiring and connectors for any damage, and ensuring the vacuum lines are intact.

4. Can I continue driving my Subaru with OBDII code P0246 present?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the turbocharger and other engine components.

5. Is it possible to reset the OBDII code P0246 in my Subaru without fixing the underlying issue?

- While you can clear the code temporarily, it will likely reappear until the root cause, such as a faulty wastegate solenoid, is addressed.

6. How much does it typically cost to repair OBDII code P0246 related to the Turbo/Super Charger Wastegate Solenoid 'A' High in a Subaru?

- The cost of repair can vary depending on the exact cause, but it may range from $200 to $600, including parts and labor.

7. Are there any DIY tips for fixing OBDII code P0246 in a Subaru?

- DIY tips may include checking and cleaning the wastegate solenoid, inspecting for loose or damaged wiring, and ensuring all connections are secure.

8. Can a faulty wastegate solenoid cause other issues in my Subaru besides triggering code P0246?

- Yes, a faulty wastegate solenoid can potentially cause issues such as turbo lag, poor engine performance, and even engine overheating in extreme cases.

9. How long does it typically take to repair OBDII code P0246 related to the Turbo/Super Charger Wastegate Solenoid 'A' High in a Subaru?

- The repair time can vary based on the exact cause and the technician's expertise, but it may take anywhere from 1 to 3 hours to complete.

10. Is it possible to prevent OBDII code P0246 from occurring in my Subaru in the future?

- Regular maintenance, such as checking the turbo system for leaks, ensuring proper vacuum line connections, and addressing any warning signs promptly, can help prevent the recurrence of this code.

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