P2DF0
Intake Valve Lift Range/Performance Bank 1
The variable intake valve lift system reports range/performance fault on bank 1. Multiple cylinders or system-wide deviation.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- System-wide mechanism wearCommon
- Engine oil pressure lowPossible
- Sensor element aged beyond calibration windowLess likely
Parts involved
- Intake Valve Lift System
- VVT System
P2DF0 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.