P28B4

Cylinder 10 Ion Current Sense Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unstable engine idling
Possible misfires

Causes

Open or short circuit in the ion current circuit
Ion current sensor malfunction
Wiring Harness Problems
Engine control unit malfunction
Poor contact in connectors

How to Fix

Check the integrity of the ion current circuit
Check the condition of the ion current sensor
Inspect the wiring harness for damage
Check contacts in connectors
If necessary, replace the sensor or repair the wiring

Related codes

P28B0 P28B1 P28B2 P28B3