P2194
System Too Rich at Higher Load Bank 2
P2194 is an OBD-II diagnostic trouble code meaning: System Too Rich at Higher Load Bank 2. Common causes: oxygen sensor malfunction (bank 2), dirty or faulty injectors. Estimated repair cost: $17–89.
Symptoms
- Increased fuel consumption
- Reduced engine power
- Black smoke from the exhaust pipe
- Unstable engine idling
- Gasoline smell from exhaust
Causes
- Oxygen sensor malfunction (bank 2)
- Dirty or faulty injectors
- Increased pressure in the fuel rail
- Vacuum leak in intake manifold
- Malfunction of the mass air flow sensor (MAF)
How to Fix
- Check oxygen sensor readings using a scanner
- Inspect fuel injectors for dirt or leaks
- Check the pressure in the fuel system
- Check the tightness of the intake tract
- Test or replace the mass air flow sensor
Related codes
Error P2194 by Vehicle Brand
FAQ
What does the P2194 code mean?
P2194 is an OBD-II diagnostic trouble code that indicates: System Too Rich at Higher Load Bank 2
What causes a P2194 error code?
The most common causes of P2194 include: Oxygen sensor malfunction (bank 2); Dirty or faulty injectors; Increased pressure in the fuel rail; Vacuum leak in intake manifold.
How do I fix a P2194 diagnostic trouble code?
To fix P2194: Check oxygen sensor readings using a scanner. Inspect fuel injectors for dirt or leaks. Check the pressure in the fuel system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2194?
Yes, but get it checked soon
How much does it cost to fix P2194?
The estimated repair cost for P2194 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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