P20A3 Ford Code - Reductant Purge Control Valve Circuit High
Quick Answer
The P20A3 diagnostic trouble code (DTC) in Ford vehicles refers to the Reductant Purge Control Valve Circuit High. Common causes include Faulty Reductant Purge Control Valve: The most common cause of this code is a malfunctioning reductant purge control valve, Wiring Issues: Corrosion, damage, or loose connections in the wiring harness connected to the reductant purge control valve can trigger this DTC, Defective Control Module: A faulty control module that manages the reductant purge control valve operation can also be a potential cause. 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
- P20A3 Ford indicates Reductant Purge Control Valve Circuit High.
- Common causes
- Common causes include Faulty Reductant Purge Control Valve: The most common cause of this code is a malfunctioning reductant purge control valve, Wiring Issues: Corrosion, damage, or loose connections in the wiring harness connected to the reductant purge control valve can trigger this DTC, Defective Control Module: A faulty control module that manages the reductant purge control valve operation can also be a potential cause.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P20A3 Ford Description
The P20A3 diagnostic trouble code (DTC) in Ford vehicles refers to the Reductant Purge Control Valve Circuit High. This code indicates that there is a high voltage condition detected in the circuit that controls the reductant purge valve. The reductant purge valve is a crucial component in the Selective Catalytic Reduction (SCR) system, which is responsible for reducing harmful emissions in diesel engines.
Common Causes of P20A3 Ford
- Faulty Reductant Purge Control Valve: The most common cause of this code is a malfunctioning reductant purge control valve.
- Wiring Issues: Corrosion, damage, or loose connections in the wiring harness connected to the reductant purge control valve can trigger this DTC.
- Defective Control Module: A faulty control module that manages the reductant purge control valve operation can also be a potential cause.
- Poor Electrical Ground: A weak or poor electrical ground connection can result in a high voltage condition in the reductant purge control valve circuit.
Symptoms of P20A3 Ford
- Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the vehicle's dashboard.
- Reduced Fuel Efficiency: A malfunctioning reductant purge control valve can lead to reduced fuel efficiency as the engine may not be operating at optimal emission levels.
- Poor Engine Performance: In some cases, the vehicle may experience rough idling, hesitation, or lack of power due to the issue with the reductant purge control valve.
- Emission Testing Failure: If the vehicle undergoes an emission test, it may fail to meet the required emission standards due to the high voltage condition in the reductant purge control valve circuit.
How to Fix P20A3 Ford
- Diagnose the Issue: Use a diagnostic scanner to retrieve the DTC and perform a thorough inspection of the reductant purge control valve and its circuit.
- Test the Control Valve: Check the functionality of the reductant purge control valve to determine if it is operating correctly.
- Inspect Wiring: Inspect the wiring harness connected to the control valve for any damage, corrosion, or loose connections.
- Replace Control Valve: If the control valve is found to be faulty, replace it with a new one following the manufacturer's recommendations.
- Clear DTC: After completing the repair, clear the DTC and test drive the vehicle to ensure that the issue has been resolved.
Cost to Fix P20A3 Ford
The typical repair costs for addressing the P20A3 DTC in Ford vehicles can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair for this code can range from $200 to $500, including parts and labor. However, it's essential to note that the actual repair costs can fluctuate based on the location, vehicle make and model, and the rates charged by auto repair shops. It's recommended to obtain quotes from multiple shops to get a more accurate estimate for the repair. Keep in mind that diagnostic time and labor rates can vary, with most shops charging between $80 and $150 per hour.
Need more information about the P20A3 Ford code?
Need more information on how to fix the P20A3 Ford code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P20A3 Ford code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P20A3 Ford Code
No Frequently Asked Questions about P20A3 Ford Code found.
Discuss the causes and fixes for P20A3 Ford OBDII Code
Code P20A3 Ford comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.