P03AE

Cylinder 3 Pressure Too Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–333 (est.)

Symptoms

Misfires
Power Loss
Increased fuel consumption
Unstable idle

Causes

Piston ring wear
Damage to valves
Leaks in the intake system
Faulty fuel injectors
Weak spark plugs
Problems with the ignition coil
Malfunction of the cylinder pressure sensor

How to Fix

Checking compression in cylinders
Ignition system diagnostics
Checking fuel injectors
Inspection of valves and piston rings
Checking the wiring harness and sensors
Replacing faulty components

Related codes

P0303 P0171 P0172 P0300