P234E

Cylinder 9 Pressure Too High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–167 (est.)

Symptoms

Loss of engine power
The engine runs rough or rough
Increased fuel consumption
Detonation knocks in the engine
Check Engine light comes on

Causes

Malfunction of the fuel injector of cylinder 9
Problems with the ignition system in cylinder 9
Mechanical damage to the cylinder or piston
Incorrect operation of the timing system
Malfunction of the cylinder pressure sensor

How to Fix

Check the condition of the fuel injector of cylinder 9
Diagnose the ignition system (spark plugs, coils)
Check compression in cylinder 9
Inspect the mechanical components of the cylinder
Check the operation of the timing system

Related codes

P234D P234F P2350