P03CE
Cylinder 6 Pressure Variation Low
Generic OBD-II
Common symptoms
What you'll notice
- Check the spark plug and ignition coil for any damage or malfunction.
- Inspect the fuel injector for clogs or leaks.
- Verify the compression in cylinder 6 and perform a compression test if necessary.
- Inspect the wiring and connectors related to the cylinder 6 fuel injector and ignition coil for any issues.
Common causes
Most likely first
- Faulty fuel injector in cylinder 6
- Low compression in cylinder 6
- Spark plug or ignition coil problem in cylinder 6
- Intake manifold leak near cylinder 6
- Engine misfire in cylinder 6
How to diagnose & fix
Work through it in order
- Engine misfire or rough idle
- Loss of power or acceleration
- Increased fuel consumption
- Engine shaking or vibrations
- Increased exhaust emissions
Read & clear P03CE yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.