P2DE1
Cold Start Fuel Injection Quantity C Higher Than Expected
During cold start, the measured fuel injection quantity for group C is above the calibrated cold-start window. Cold-start strategy or injector flow drift.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Injector leakingCommon
- Fuel rail pressure highPossible
Parts involved
- Fuel Injector Group C
- Fuel Rail
- ECM
P2DE1 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.