P03C3

Cylinder 5 Pressure Too High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$111–556 (est.)

Symptoms

Engine troubles
Power Loss
Knock or detonation
Engine overheating
Increased fuel consumption

Causes

Malfunction of the cylinder pressure sensor
Clogged or leaking fuel injectors
Incorrect valve adjustment
Wear of the cylinder-piston group
Knock sensor defect
Ignition system malfunction

How to Fix

Diagnostics of the cylinder pressure sensor
Checking fuel injectors
Ignition system diagnostics
Valve adjustment
Replacement of worn parts of the CPG
Updating the ECU firmware (if necessary)

Related codes

P0305 P0172 P0325 P0300