P20CA
Reductant Injection Air Pressure Leakage
P20CA is an OBD-II diagnostic trouble code meaning: Reductant Injection Air Pressure Leakage. Common causes: cracks or damage in the reagent injection system tubes, leaky connections in the scr system. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unusual odors from the exhaust system
- SCR error messages on the instrument panel
Causes
- Cracks or damage in the reagent injection system tubes
- Leaky connections in the SCR system
- Faulty reagent pump
- Damaged O-rings
- Clogged or dirty reagent injection nozzle
How to Fix
- Visual inspection of the reagent injection system for leaks
- Checking the tightness of all connections
- Testing the operation of the reagent pump
- Replacing damaged tubes or seals
- Cleaning or replacing the reagent injection nozzle
Related codes
Error P20CA by Vehicle Brand
FAQ
What does the P20CA code mean?
P20CA is an OBD-II diagnostic trouble code that indicates: Reductant Injection Air Pressure Leakage
What causes a P20CA error code?
The most common causes of P20CA include: Cracks or damage in the reagent injection system tubes; Leaky connections in the SCR system; Faulty reagent pump; Damaged O-rings.
How do I fix a P20CA diagnostic trouble code?
To fix P20CA: Visual inspection of the reagent injection system for leaks. Checking the tightness of all connections. Testing the operation of the reagent pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20CA?
Yes, but get it checked soon
How much does it cost to fix P20CA?
The estimated repair cost for P20CA is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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