P289A

Cylinder 3 Ion Current Sense Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–56 (est.)

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

P289B P289C P289D