P28AD
Cylinder 8 Ion Current Sense Circuit Range/Performance
P28AD is an OBD-II diagnostic trouble code meaning: Cylinder 8 Ion Current Sense Circuit Range/Performance. Common causes: open or short circuit in the ion current circuit, ion current sensor malfunction. Estimated repair cost: $17–89.
Symptoms
- Misfire in cylinder 8
- Unstable engine operation
- Power reduction
- Increased fuel consumption
- Check Engine Light Illuminates
Causes
- Open or short circuit in the ion current circuit
- Ion current sensor malfunction
- Problems with the 8th cylinder ignition coil
- Spark plug fault
- Problems with the engine control unit (ECU)
How to Fix
- Check the integrity of the ion current circuit
- Check the condition of the spark plug and coil
- Test the ion current sensor
- Check connections and connectors
- If necessary, replace faulty components
Related codes
Error P28AD by Vehicle Brand
FAQ
What does the P28AD code mean?
P28AD is an OBD-II diagnostic trouble code that indicates: Cylinder 8 Ion Current Sense Circuit Range/Performance
What causes a P28AD error code?
The most common causes of P28AD include: Open or short circuit in the ion current circuit; Ion current sensor malfunction; Problems with the 8th cylinder ignition coil; Spark plug fault.
How do I fix a P28AD diagnostic trouble code?
To fix P28AD: Check the integrity of the ion current circuit. Check the condition of the spark plug and coil. Test the ion current sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P28AD?
Yes, but get it checked soon
How much does it cost to fix P28AD?
The estimated repair cost for P28AD is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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