P20F5
Reductant Consumption Too High
P20F5 is an OBD-II diagnostic trouble code meaning: Reductant Consumption Too High. Common causes: adblue reagent leak, malfunction of the scr pump or injector. Estimated repair cost: $17–222.
Symptoms
- Increased AdBlue consumption
- Check Engine Light Illuminates
- Reduced engine power
- SCR fault message appears
- Possible ammonia odor
Causes
- AdBlue reagent leak
- Malfunction of the SCR pump or injector
- NOx sensors are dirty or damaged
- ECU software error
- Damaged or clogged SCR catalytic converter
How to Fix
- Check the system for AdBlue leaks
- Diagnose the SCR pump and injector
- Check NOx sensors and their wiring
- Update ECU firmware if necessary
- Check the condition of the SCR catalytic converter
Related codes
Error P20F5 by Vehicle Brand
FAQ
What does the P20F5 code mean?
P20F5 is an OBD-II diagnostic trouble code that indicates: Reductant Consumption Too High
What causes a P20F5 error code?
The most common causes of P20F5 include: AdBlue reagent leak; Malfunction of the SCR pump or injector; NOx sensors are dirty or damaged; ECU software error.
How do I fix a P20F5 diagnostic trouble code?
To fix P20F5: Check the system for AdBlue leaks. Diagnose the SCR pump and injector. Check NOx sensors and their wiring. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20F5?
Yes, but get it checked soon
How much does it cost to fix P20F5?
The estimated repair cost for P20F5 is $17–222. Actual cost depends on your vehicle, location, and labor rates.
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