P03B0

Cylinder 3 Pressure Variation Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–222 (est.)

Symptoms

misfire
unstable idling
loss of power
increased fuel consumption

Causes

low compression in cylinder 3
fuel injector malfunction
problems with the ignition system
piston ring wear
valve malfunction

How to Fix

check compression in cylinders
inspect spark plugs and coils
check the fuel injector of cylinder 3
diagnose the condition of valves and piston rings

Related codes

P0303 P0171 P0174