P2269
Water in Fuel Condition - Sensor A
The water-in-fuel sensor at fuel filter A has detected water above the warning threshold. The fuel filter must be drained; running the engine on water-contaminated diesel can damage the high-pressure pump and injectors.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: easy
Common causes
Ordered by how often each turns out to be the cause.
- Condensate accumulated in filter — drain requiredCommon
Parts involved
- Water In Fuel Sensor
- Fuel Filter
P2269 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.