P03DA

Cylinder 7 Combustion Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Misfires
Reduced engine power
Increased fuel consumption
Unstable idling

Causes

Spark plug fault
Problems with the ignition coil
Dirty or faulty fuel injector
Low cylinder compression
Problems with the air intake system

How to Fix

Check the condition of the spark plug in cylinder 7
Test the ignition coil
Clean or replace fuel injector
Check compression in cylinder
Diagnose the air intake system

Related codes

P0307 P0172 P0175