P20A7
Reductant Injection Air Pressure Control Valve Performance
P20A7 is an OBD-II diagnostic trouble code meaning: Reductant Injection Air Pressure Control Valve Performance. Common causes: pressure control valve malfunction, leaks in the reagent injection system. Estimated repair cost: $50–167.
Symptoms
- Check Engine light comes on
- Reduced engine power
- SCR error message on dashboard
- Increased AdBlue urea consumption
- Unusual sounds from the urea tank area
Causes
- Pressure control valve malfunction
- Leaks in the reagent injection system
- Clogged SCR system filters
- Problems with the wiring or electrical connection of the valve
- SCR control module malfunction
How to Fix
- Check the system for reagent leaks
- Test pressure control valve
- Check the condition of the SCR system filters
- Diagnose the valve control circuit
- If necessary, replace the pressure control valve
Related codes
Error P20A7 by Vehicle Brand
FAQ
What does the P20A7 code mean?
P20A7 is an OBD-II diagnostic trouble code that indicates: Reductant Injection Air Pressure Control Valve Performance
What causes a P20A7 error code?
The most common causes of P20A7 include: Pressure control valve malfunction; Leaks in the reagent injection system; Clogged SCR system filters; Problems with the wiring or electrical connection of the valve.
How do I fix a P20A7 diagnostic trouble code?
To fix P20A7: Check the system for reagent leaks. Test pressure control valve. Check the condition of the SCR system filters. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20A7?
Yes, but get it checked soon
How much does it cost to fix P20A7?
The estimated repair cost for P20A7 is $50–167. Actual cost depends on your vehicle, location, and labor rates.
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