P28BF
Cylinder 12 Ion Current Sense Circuit High
P28BF is an OBD-II diagnostic trouble code meaning: Cylinder 12 Ion Current Sense Circuit High. Common causes: ion current sensor malfunction, open or short circuit in wiring. Estimated repair cost: $17–89.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Check Engine light comes on
- Reduced engine power
- Possible misfires
Causes
- Ion current sensor malfunction
- Open or short circuit in wiring
- Problems with the engine control module
- Poor contact in connectors
- Mechanical problems in the cylinder
How to Fix
- Check the integrity of wiring and connectors
- Check the resistance of the ion current sensor
- Check the operation of the control module
- Replace sensor if necessary
- Check the mechanical condition of the cylinder
Related codes
Error P28BF by Vehicle Brand
FAQ
What does the P28BF code mean?
P28BF is an OBD-II diagnostic trouble code that indicates: Cylinder 12 Ion Current Sense Circuit High
What causes a P28BF error code?
The most common causes of P28BF include: Ion current sensor malfunction; Open or short circuit in wiring; Problems with the engine control module; Poor contact in connectors.
How do I fix a P28BF diagnostic trouble code?
To fix P28BF: Check the integrity of wiring and connectors. Check the resistance of the ion current sensor. Check the operation of the control module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P28BF?
Yes, but get it checked soon
How much does it cost to fix P28BF?
The estimated repair cost for P28BF is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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