P23F2
Cylinder 1 Injector B Air-Fuel Ratio Imbalance
P23F2 is an OBD-II diagnostic trouble code meaning: Cylinder 1 Injector B Air-Fuel Ratio Imbalance. Common causes: fuel injector malfunction, fuel injector clogged. Estimated repair cost: $28–167.
Symptoms
- Reduced engine power
- Unstable engine idling
- Increased fuel consumption
- Smell of fuel
- Possible misfires
Causes
- Fuel injector malfunction
- Fuel injector clogged
- Problems with injector wiring or connector
- Low fuel pressure
- Engine control unit (ECU) malfunction
How to Fix
- Check the fuel injector wiring and connector for damage.
- Check the resistance of the fuel injector.
- Clean or replace the fuel injector.
- Check the fuel pressure in the fuel rail.
- Check the engine control unit (ECU) for errors and reprogram it if necessary.
Related codes
Error P23F2 by Vehicle Brand
FAQ
What does the P23F2 code mean?
P23F2 is an OBD-II diagnostic trouble code that indicates: Cylinder 1 Injector B Air-Fuel Ratio Imbalance
What causes a P23F2 error code?
The most common causes of P23F2 include: Fuel injector malfunction; Fuel injector clogged; Problems with injector wiring or connector; Low fuel pressure.
How do I fix a P23F2 diagnostic trouble code?
To fix P23F2: Check the fuel injector wiring and connector for damage.. Check the resistance of the fuel injector.. Clean or replace the fuel injector.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P23F2?
Yes, but get it checked soon
How much does it cost to fix P23F2?
The estimated repair cost for P23F2 is $28–167. Actual cost depends on your vehicle, location, and labor rates.
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