P28AE

Cylinder 8 Ion Current Sense Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Check Engine Light Illuminates
Misfire in cylinder 8

Causes

Malfunction of the ion current sensor of cylinder 8
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Wiring Harness Problems
Engine control unit malfunction

How to Fix

Check the integrity of the ion current sensor circuit
Inspect connectors and contacts for corrosion or damage
Check the resistance of the ion current sensor
If necessary, replace the ion current sensor
Check and update the engine control unit firmware

Related codes

P28A0 P28A1 P28AD