P208E
Reductant Injection Valve Stuck Closed Bank 1 Unit 1
P208E is an OBD-II diagnostic trouble code meaning: Reductant Injection Valve Stuck Closed Bank 1 Unit 1. Common causes: mechanical valve jamming, open or short circuit in control circuit. Estimated repair cost: $56–167.
Symptoms
- Increased NOx emissions
- Check Engine light comes on
- Reduced engine power
- Possible transition to emergency mode
- SCR system error message on dashboard
Causes
- Mechanical valve jamming
- Open or short circuit in control circuit
- Solenoid valve malfunction
- Problems with the engine control unit (ECU)
- Contamination or crystallization of the reagent in the valve
How to Fix
- Check the valve control circuit for opens and shorts
- Check valve resistance and operation
- Clean or replace the reagent injection valve
- Check and, if necessary, update ECU software
- Flush the SCR system to remove crystallized reagent
Related codes
Error P208E by Vehicle Brand
FAQ
What does the P208E code mean?
P208E is an OBD-II diagnostic trouble code that indicates: Reductant Injection Valve Stuck Closed Bank 1 Unit 1
What causes a P208E error code?
The most common causes of P208E include: Mechanical valve jamming; Open or short circuit in control circuit; Solenoid valve malfunction; Problems with the engine control unit (ECU).
How do I fix a P208E diagnostic trouble code?
To fix P208E: Check the valve control circuit for opens and shorts. Check valve resistance and operation. Clean or replace the reagent injection valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P208E?
Yes, but get it checked soon
How much does it cost to fix P208E?
The estimated repair cost for P208E is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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