P03CC
Cylinder 6 Pressure Too Low
Generic OBD-II
Common symptoms
What you'll notice
- Check and replace spark plugs
- Check and replace ignition coil for cylinder 6
- Inspect and clean fuel injectors
- Perform a compression test to check for any internal engine issues
Common causes
Most likely first
- Defective or worn
- out spark plug in cylinder 6
- Faulty fuel injector in cylinder 6
- Low fuel pressure in the fuel system
- Vacuum leak in the intake manifold affecting cylinder 6
- Engine misfire in cylinder 6 due to ignition timing issue
How to diagnose & fix
Work through it in order
- Engine misfires or runs rough
- Decreased engine power or acceleration
- Increased fuel consumption
- Engine vibrations or shaking
- Illuminated Check Engine Light
Read & clear P03CC yourself
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