P28A5
Cylinder 6 Ion Current Sense Circuit Range/Performance
P28A5 is an OBD-II diagnostic trouble code meaning: Cylinder 6 Ion Current Sense Circuit Range/Performance. Common causes: open or short circuit in the sensor circuit, ion current sensor malfunction. Estimated repair cost: $28–89.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Check Engine Light Illuminates
- Reduced engine power
- Misfire in cylinder 6
Causes
- Open or short circuit in the sensor circuit
- Ion current sensor malfunction
- Poor contact in the sensor connector
- Wiring harness damage
- Problems with the engine ECU
How to Fix
- Check the integrity of the wiring to the sensor
- Inspect connectors for corrosion or damage
- Check the resistance of the ion current sensor
- Replace sensor if necessary
- Scan the ECU for other errors
Related codes
Error P28A5 by Vehicle Brand
FAQ
What does the P28A5 code mean?
P28A5 is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Ion Current Sense Circuit Range/Performance
What causes a P28A5 error code?
The most common causes of P28A5 include: Open or short circuit in the sensor circuit; Ion current sensor malfunction; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a P28A5 diagnostic trouble code?
To fix P28A5: Check the integrity of the wiring to the sensor. Inspect connectors for corrosion or damage. Check the resistance of the ion current sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P28A5?
Limited driving only, diagnose soon
How much does it cost to fix P28A5?
The estimated repair cost for P28A5 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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