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Engine-Codes – Generic – P226B

P226B Code - Turbocharger Boost Pressure Too High - Mechanical

Quick Answer

The P226B diagnostic trouble code indicates that the turbocharger boost pressure is too high due to a mechanical issue. Common causes include Wastegate malfunction, Boost control solenoid failure, Intake or exhaust leaks. 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
P226B indicates Turbocharger Boost Pressure Too High - Mechanical.
Common causes
Common causes include Wastegate malfunction, Boost control solenoid failure, Intake or exhaust leaks.
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 10, 2024
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Code P226B Description

The P226B diagnostic trouble code indicates that the turbocharger boost pressure is too high due to a mechanical issue. This means that the turbocharger, which is responsible for forcing additional air into the engine to increase power output, is producing excessive pressure. This can lead to a variety of problems within the vehicle's engine system.

OBDII Code P226B - Turbocharger Boost Pressure Too High - Mechanical
P226B Code - Turbocharger Boost Pressure Too High - Mechanical

Common Causes of P226B

  1. Wastegate malfunction
  2. Boost control solenoid failure
  3. Intake or exhaust leaks
  4. Clogged air filter
  5. Faulty turbocharger

Symptoms of P226B

  1. Loss of power or acceleration
  2. Engine misfires
  3. Hesitation or lag during acceleration
  4. Check Engine Light illuminated
  5. Abnormal engine noises, such as whistling or squealing

How to Fix P226B

  1. Inspect and replace the wastegate if malfunctioning
  2. Check and replace the boost control solenoid if faulty
  3. Inspect and repair any intake or exhaust leaks
  4. Replace the air filter if clogged
  5. Replace the turbocharger if found to be faulty

Cost to Fix P226B

The cost of repairing a turbocharger boost pressure too high - mechanical issue can vary depending on the specific cause of the problem and the make and model of the vehicle. On average, the repair costs can range from $500 to $1500, including parts and labor. It is important to note that labor rates at auto repair shops can vary, so it is recommended to obtain quotes from multiple shops to compare prices. Additionally, the diagnosis time and labor rates can also impact the overall cost of the repair.

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Code P226B Information for Specific Makes

  • P226B Dodge — Turbocharger Boost Pressure Too High - Mechanical
  • P226B RAM — Turbocharger Boost Pressure Too High - Mechanical
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.

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