P20F7
Reductant Injection Valve Stuck Open Bank 2 Unit 1
P20F7 is an OBD-II diagnostic trouble code meaning: Reductant Injection Valve Stuck Open Bank 2 Unit 1. Common causes: mechanical valve jamming, reagent valve dirty. Estimated repair cost: $50–167.
Symptoms
- Increased consumption of AdBlue reagent
- Check Engine Light Illuminates
- Reduced engine power
- Unpleasant smell from the exhaust system
- Possible SCR error messages
Causes
- Mechanical valve jamming
- Reagent valve dirty
- Electrical wiring problems
- SCR control module malfunction
- Low quality AdBlue reagent
How to Fix
- Check the condition of the reagent injection valve
- Clean or replace a stuck valve
- Check the integrity of the wiring harness and connectors
- Check the operation of the SCR control module
- Reset the error and test the SCR system
Related codes
Error P20F7 by Vehicle Brand
FAQ
What does the P20F7 code mean?
P20F7 is an OBD-II diagnostic trouble code that indicates: Reductant Injection Valve Stuck Open Bank 2 Unit 1
What causes a P20F7 error code?
The most common causes of P20F7 include: Mechanical valve jamming; Reagent valve dirty; Electrical wiring problems; SCR control module malfunction.
How do I fix a P20F7 diagnostic trouble code?
To fix P20F7: Check the condition of the reagent injection valve. Clean or replace a stuck valve. Check the integrity of the wiring harness and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20F7?
Yes, but get it checked soon
How much does it cost to fix P20F7?
The estimated repair cost for P20F7 is $50–167. Actual cost depends on your vehicle, location, and labor rates.
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