Engine-CodesFord – P20A0 Ford

P20A0 Ford Code - Reductant Purge Control Valve Circuit Open Load

Quick Answer

The P20A0 diagnostic trouble code for Ford vehicles indicates a problem with the Reductant Purge Control Valve Circuit being open or experiencing a high resistance load. Common causes include Faulty Reductant Purge Control Valve, Wiring or electrical issues in the control valve circuit, Corrosion or damage to the connectors or terminals. 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
P20A0 Ford indicates Reductant Purge Control Valve Circuit Open Load.
Common causes
Common causes include Faulty Reductant Purge Control Valve, Wiring or electrical issues in the control valve circuit, Corrosion or damage to the connectors or terminals.
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 09, 2024
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Code P20A0 Ford Description

The P20A0 diagnostic trouble code for Ford vehicles indicates a problem with the Reductant Purge Control Valve Circuit being open or experiencing a high resistance load. The reductant purge control valve is responsible for controlling the flow of reductant, such as diesel exhaust fluid (DEF), into the exhaust system to reduce harmful emissions. When the circuit is open or has a high resistance load, it can affect the vehicle's emissions control system, leading to decreased fuel efficiency and potentially causing the vehicle to fail emissions tests.

OBDII Code P20A0 Ford - Reductant Purge Control Valve Circuit Open Load
P20A0 Ford Code - Reductant Purge Control Valve Circuit Open Load

Common Causes of P20A0 Ford

  1. Faulty Reductant Purge Control Valve.
  2. Wiring or electrical issues in the control valve circuit.
  3. Corrosion or damage to the connectors or terminals.
  4. Issues with the powertrain control module (PCM).
  5. Contamination of the reductant system.

Symptoms of P20A0 Ford

  1. Check engine light is illuminated on the dashboard.
  2. Decreased fuel efficiency.
  3. Vehicle fails emissions tests.
  4. Rough idling or stalling.
  5. Reduced engine performance.

How to Fix P20A0 Ford

  1. Diagnose the specific cause of the issue by using a scan tool to read the fault codes and testing the Reductant Purge Control Valve Circuit for proper operation.
  2. Inspect the wiring and connectors for any damage or corrosion and repair or replace as needed.
  3. Test the Reductant Purge Control Valve for proper function and replace if faulty.
  4. Clear the fault codes from the vehicle's computer system and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to identify any underlying issues with the reductant system.

Cost to Fix P20A0 Ford

The typical repair costs for addressing a P20A0 Ford code can vary depending on the specific cause of the issue. In general, the cost of replacing a faulty Reductant Purge Control Valve can range from $150 to $300, while addressing wiring or electrical issues may cost between $100 and $200. Labor rates at auto repair shops can vary, but on average, expect to pay between $80 and $150 per hour for diagnosis and repair. It is recommended to contact local repair shops for a more accurate estimate based on the vehicle make and model, as well as the severity of the issue.

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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.

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