P01CD
Cylinder 2 Injection Timing Performance Over Retarded
Generic OBD-II
Common symptoms
What you'll notice
- Check the spark plug and replace if necessary
- Inspect and clean the fuel injectors for cylinder 2
- Ensure proper fuel pressure and check the fuel pump
- Inspect and clean the intake manifold and throttle body
- Check the timing belt/chain for proper tension and alignment
Common causes
Most likely first
- Faulty fuel injector in cylinder 2
- Blocked or clogged fuel injector in cylinder 2
- Malfunctioning ignition coil in cylinder 2
- Timing belt or chain issue affecting cylinder 2
- Engine control module (ECM) software update needed for cylinder 2
How to diagnose & fix
Work through it in order
- Poor engine performance and reduced power
- Misfires or rough idle
- Engine hesitation or stumbling
- Increased fuel consumption
- Illuminated check engine light (MIL)
Read & clear P01CD yourself
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