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Engine-Codes – Subaru – P0027 Subaru

P0027 Subaru Code - Exhaust Valve Control Solenoid Circuit Range/Performance Bank 1

Quick Answer

The P0027 code for Subaru vehicles indicates an issue with the Exhaust Valve Control Solenoid Circuit on Bank 1. Common causes include Malfunctioning exhaust valve control solenoid, Damaged wiring or connectors, Low engine oil levels. 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
P0027 Subaru indicates Exhaust Valve Control Solenoid Circuit Range/Performance Bank 1.
Common causes
Common causes include Malfunctioning exhaust valve control solenoid, Damaged wiring or connectors, Low engine oil levels.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P0027 Subaru Description

The P0027 code for Subaru vehicles indicates an issue with the Exhaust Valve Control Solenoid Circuit on Bank 1. This code is specifically related to the performance of the solenoid that controls the exhaust valve timing. The exhaust valve control solenoid is responsible for regulating the flow of exhaust gases to optimize engine performance and emissions. When this circuit is not functioning within the specified range, it can lead to a variety of issues with the vehicle's performance.

OBDII Code P0027 Subaru - Exhaust Valve Control Solenoid Circuit Range/Performance Bank 1
P0027 Subaru Code - Exhaust Valve Control Solenoid Circuit Range/Performance Bank 1

Common Causes of P0027 Subaru

  1. Malfunctioning exhaust valve control solenoid
  2. Damaged wiring or connectors
  3. Low engine oil levels
  4. Issues with the timing chain or belt
  5. ECM (Engine Control Module) failure

Symptoms of P0027 Subaru

  1. Rough engine idle
  2. Decreased fuel efficiency
  3. Engine misfires
  4. Hesitation during acceleration
  5. Check Engine Light illuminated

How to Fix P0027 Subaru

  1. Begin by using a diagnostic scanner to retrieve the specific fault code and determine the cause of the issue.
  2. Inspect the exhaust valve control solenoid and related wiring for any visible damage or corrosion.
  3. Test the solenoid for proper operation using a multimeter to check for continuity and resistance.
  4. Replace the exhaust valve control solenoid if it is found to be faulty.
  5. Clear the fault code from the ECM and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix P0027 Subaru

The typical cost to repair the Exhaust Valve Control Solenoid Circuit Range/Performance Bank 1 code in a Subaru vehicle can range from $200 to $500, including parts and labor. However, prices can vary depending on the specific model of the vehicle, the location of the repair shop, and the extent of the damage. It is advisable to consult with a professional mechanic for a more accurate estimate based on your unique circumstances. Additionally, diagnostic time and labor rates may also impact the final cost of the repair.

When is the Code Detected?

ECM monitors OCV stuck while cam signal is normally generating and Valve cleaning is not in progress.If the CAM Acutal Position is too high or low and Difference between Cam Actual Positionand Desired Position is higher than 20° ECM determines that a fault exists and the P0027 codes is set.

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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 P0027 Subaru Code

1. What are the common symptoms of OBDII code P0027 in a Subaru?

The common symptoms of OBDII code P0027 in a Subaru include rough idling, decreased engine performance, and potentially stalling.

2. What are the possible causes of OBDII code P0027 in a Subaru?

Possible causes of OBDII code P0027 in a Subaru include a faulty exhaust valve control solenoid, wiring issues, low engine oil levels, or a failed engine control module.

3. How serious is OBDII code P0027 in a Subaru?

OBDII code P0027 in a Subaru should be addressed promptly as it can lead to poor engine performance, reduced fuel efficiency, and potentially more severe engine damage if left unresolved.

4. Can I drive my Subaru with OBDII code P0027?

It is not recommended to drive your Subaru with OBDII code P0027, as the issue can worsen over time and potentially cause more significant damage to the engine.

5. How do I diagnose OBDII code P0027 in my Subaru?

Diagnosing OBDII code P0027 in a Subaru typically involves performing a thorough inspection of the exhaust valve control solenoid, checking the wiring harness for any damage, and testing the engine oil level.

6. Can I repair OBDII code P0027 in my Subaru myself?

While some DIY enthusiasts may attempt to repair OBDII code P0027 in a Subaru, it is recommended to consult a professional mechanic for an accurate diagnosis and proper repair to ensure the issue is resolved correctly.

7. How much does it cost to repair OBDII code P0027 in a Subaru?

The cost to repair OBDII code P0027 in a Subaru can vary depending on the exact cause of the issue, but it generally ranges from $200 to $600, including parts and labor.

8. How long does it take to repair OBDII code P0027 in a Subaru?

The repair time for OBDII code P0027 in a Subaru can vary depending on the extent of the issue, but it typically takes a few hours to a full day to diagnose and fix the problem.

9. Will resetting the OBDII code P0027 in my Subaru make it go away?

Resetting the OBDII code P0027 in your Subaru may temporarily clear the warning light, but the underlying issue causing the code will still need to be addressed to prevent it from reoccurring.

10. Is it safe to ignore OBDII code P0027 in my Subaru?

Ignoring OBDII code P0027 in a Subaru is not recommended, as it can lead to further engine problems and potentially leave you stranded if the issue worsens while driving.

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