P236D

Cylinder 12 Pressure Variation Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–111 (est.)

Symptoms

Reduced engine power
Increased fuel consumption
Unstable engine operation
Misfire in cylinder 12
Check Engine light comes on

Causes

Wear of piston rings in cylinder 12
Damage to cylinder valves
Spark plug fault
Problems with the fuel injector
Compression leak in cylinder

How to Fix

Check compression in cylinder 12
Inspect the spark plug and replace if necessary
Check the condition of the fuel injector
Diagnose the condition of piston rings and valves
If necessary, repair the engine

Related codes

P236C P236E P0300