P23F3
Cylinder 2 Injector B Air-Fuel Ratio Imbalance
P23F3 is an OBD-II diagnostic trouble code meaning: Cylinder 2 Injector B Air-Fuel Ratio Imbalance. Common causes: malfunction of injector b of cylinder 2, problems with the injector electrical circuit. Estimated repair cost: $17–89.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Power Loss
- Misfires
- Check Engine light comes on
Causes
- Malfunction of injector B of cylinder 2
- Problems with the injector electrical circuit
- Nozzle contamination
- ECU malfunction
- Problems with the fuel system
How to Fix
- Check the condition of injector B of cylinder 2
- Check the electrical circuit of the injector for opens and shorts
- Clean or replace the injector
- Check the operation of the fuel system
- If necessary, replace the ECU
Related codes
Error P23F3 by Vehicle Brand
FAQ
What does the P23F3 code mean?
P23F3 is an OBD-II diagnostic trouble code that indicates: Cylinder 2 Injector B Air-Fuel Ratio Imbalance
What causes a P23F3 error code?
The most common causes of P23F3 include: Malfunction of injector B of cylinder 2; Problems with the injector electrical circuit; Nozzle contamination; ECU malfunction.
How do I fix a P23F3 diagnostic trouble code?
To fix P23F3: Check the condition of injector B of cylinder 2. Check the electrical circuit of the injector for opens and shorts. Clean or replace the injector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P23F3?
Yes, but get it checked soon
How much does it cost to fix P23F3?
The estimated repair cost for P23F3 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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