P2CDF
Cold Start Cylinder 5 Deactivation/Intake Valve Control Performance
During cold start, the cylinder 5 deactivation or intake valve control does not respond as expected. Cold oil viscosity, lifter slow to actuate, or solenoid response sluggish.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Cold oil viscosity too highCommon
- Solenoid response sluggish at coldPossible
Parts involved
- Cylinder Deactivation Solenoid Cyl 5
- Intake Valve Actuator
- Engine Oil
P2CDF is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.