P03C5

Cylinder 5 Pressure Variation High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Engine troubles

Causes

Fuel injector malfunction
Problems with the ignition system
Low cylinder compression
Pressure sensor malfunction
Dirty or worn spark plug

How to Fix

Check compression in cylinder 5
Inspect the spark plug and replace if necessary
Check the operation of the fuel injector
Diagnose the ignition system
Check cylinder pressure sensor

Related codes

P0305 P0172 P0175