P28AF
Cylinder 8 Ion Current Sense Circuit High
P28AF is an OBD-II diagnostic trouble code meaning: Cylinder 8 Ion Current Sense Circuit High. Common causes: open or short circuit in the sensor circuit, circuit grounding problems. Estimated repair cost: $17–56.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Check Engine Light Illuminates
- Reduced engine power
- Misfire in cylinder 8
Causes
- Open or short circuit in the sensor circuit
- Circuit Grounding Problems
- Spark plug fault
- Wiring harness damage
- Engine control unit malfunction
How to Fix
- Check the integrity of the sensor circuit
- Check the condition of the spark plug
- Inspect the wiring harness for damage
- Check circuit grounding
- Scan the control unit for errors
Related codes
Error P28AF by Vehicle Brand
FAQ
What does the P28AF code mean?
P28AF is an OBD-II diagnostic trouble code that indicates: Cylinder 8 Ion Current Sense Circuit High
What causes a P28AF error code?
The most common causes of P28AF include: Open or short circuit in the sensor circuit; Circuit Grounding Problems; Spark plug fault; Wiring harness damage.
How do I fix a P28AF diagnostic trouble code?
To fix P28AF: Check the integrity of the sensor circuit. Check the condition of the spark plug. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P28AF?
Yes, but get it checked soon
How much does it cost to fix P28AF?
The estimated repair cost for P28AF is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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