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P20A3 Ford Code - Reductant Purge Control Valve Circuit High

- Code Popularity: 3,333 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P20A3 Ford?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Reductant Purge Control Valve
  • Reductant Purge Control Valve harness is open or shorted
  • Reductant Purge Control Valve circuit poor electrical connection
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How to Fix the DTC P20A3 Ford?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P20A3 Ford code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P20A3 Ford Description

In order to reverse the reductant flow direction (for line purge) a 4-2-way valve (reverting valve) needs to be switched. The valve is switched by a solenoid.
The reverting valve functional check monitors the pressure drop when the purge cycle is started. To run this test the pressure level must exceed a calibration threshold (280 kPa) at beginning of test. For a successful test result, the pressure must drop by another threshold (230 kPa) within the time.
If the test is not successfully passed the purge cycle will be terminated immediately because of the risk of uncontrolled injection of reductant into the exhaust pipe.

OBDII Code P20A3 Ford - Reductant Purge Control Valve Circuit High - AutoCodes.com
P20A3 Ford Code - Reductant Purge Control Valve Circuit High

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Code P20A3 Ford comments

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