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P0027 OBD2: Exhaust Valve Control Solenoid Circuit Range/Performance

P0027 OBD2: Exhaust Valve Control Solenoid Circuit Range/Performance

OBD-II Code P0027 indicates an issue within the Exhaust Valve Control Solenoid Circuit, specifically relating to its range or performance. This code is associated with the vehicle’s variable valve timing (VVT) system, which is crucial for optimizing engine performance and fuel efficiency.

What Does the P0027 Code Mean?

When the Engine Control Module (PCM) detects a problem with the Exhaust Valve Control Solenoid’s signal, it triggers the P0027 code. The solenoid is responsible for controlling the exhaust valve’s position, which is vital for maintaining the balance between performance and fuel consumption.

What Causes the P0027 Code?

  • Low engine oil level
  • Exhaust valve control solenoid failure
  • Powertrain Control Module (PCM) failure
  • Engine oil not meeting manufacturer specifications
  • Wiring issues within the solenoid circuit

What Are the Symptoms of the P0027 Code?

  • Decreased engine performance
  • Increased fuel consumption

How Serious Is the P0027 Code?

The P0027 code is considered urgent, indicating that immediate action is necessary. Ignoring this code can lead to severe engine damage or safety issues for the driver and passengers.

How to Diagnose the P0027 Code

Diagnosing the P0027 code involves several steps:

  1. Check the engine oil level and condition.
  2. Inspect the exhaust valve control solenoid and its wiring for any visible issues.
  3. Use an OBD-II scanner to confirm the code and look for any related codes.
  4. Test the solenoid operation by measuring its voltage and resistance.
  5. If necessary, consult a professional for further diagnosis.

Common Repairs for the P0027 Code

  • Oil and filter change
  • Replacing the exhaust valve control solenoid
  • Repairing or replacing wiring issues
  • Replacing or reprogramming the PCM if found faulty

How Much Does It Cost to Fix the P0027 Code?

The cost to fix the P0027 code can vary significantly based on the specific repair needed. An oil and filter change might cost around $50-$100, while replacing the exhaust valve control solenoid could range from $200 to $600, depending on labor costs and parts.

Can I Fix the P0027 Code Myself?

If you have basic automotive knowledge and tools, you may be able to perform simple repairs such as an oil change or checking the wiring. However, for more complex issues, such as PCM replacement or solenoid testing, it’s advisable to seek professional help to avoid potential further damage to your vehicle.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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