P236F

Cylinder 12 Combustion Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Loss of engine power
Unstable engine idling
Increased fuel consumption
Popping sounds in the exhaust system
Check Engine light comes on

Causes

Faulty spark plug in cylinder 12
Problems with the fuel injector of cylinder 12
Low compression in cylinder 12
Ignition coil malfunction
Problems with the oxygen sensor

How to Fix

Check the condition of the spark plug in cylinder 12
Diagnose fuel injector operation
Measure the compression in the cylinder
Check ignition coil and wires
Scan oxygen sensors for errors

Related codes

P236E P2370 P0300