P28A7

Cylinder 6 Ion Current Sense Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Power Loss
Check Engine Light Illuminates
Possible misfires

Causes

Open or short circuit in the ion current circuit
Ion current sensor malfunction
Problems with the engine control unit
Wiring harness damage
Contact corrosion

How to Fix

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

Related codes

P28A6 P28A8 P0306