P289A
Cylinder 3 Ion Current Sense Circuit Low
P289A is an OBD-II diagnostic trouble code meaning: Cylinder 3 Ion Current Sense Circuit Low. Common causes: spark plug fault in cylinder 3, damage to the ion current circuit wiring. Estimated repair cost: $6–56.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Misfire in cylinder 3
- Unstable engine idling
- Check Engine Light Illuminates
Causes
- Spark plug fault in cylinder 3
- Damage to the ion current circuit wiring
- Poor contact in circuit connectors
- Ignition coil malfunction
- Problems with the engine control unit
How to Fix
- Check the condition of the spark plug in cylinder 3
- Inspect the ion current circuit wiring for damage.
- Check the quality of contacts in the connectors
- Test the ignition coil
- If necessary, replace faulty components
Related codes
Error P289A by Vehicle Brand
FAQ
What does the P289A code mean?
P289A is an OBD-II diagnostic trouble code that indicates: Cylinder 3 Ion Current Sense Circuit Low
What causes a P289A error code?
The most common causes of P289A include: Spark plug fault in cylinder 3; Damage to the ion current circuit wiring; Poor contact in circuit connectors; Ignition coil malfunction.
How do I fix a P289A diagnostic trouble code?
To fix P289A: Check the condition of the spark plug in cylinder 3. Inspect the ion current circuit wiring for damage.. Check the quality of contacts in the connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P289A?
Yes, but get it checked soon
How much does it cost to fix P289A?
The estimated repair cost for P289A is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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