Powertrain
generic / SAE
P2266
Water in Fuel Sensor A Circuit Low
The water-in-fuel sensor at the diesel fuel filter reads below lower plausibility — short to ground. The sensor warns the driver to drain the filter when condensate accumulates.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number2 / 66
Possible causes
- Short to ground high
- Connector pins corroded - high contact resistance low
- Harness chafing through insulation low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 40–300 €
- Estimated time: 0.3–1.5 h
- Component: water in fuel sensor
- Component: fuel filter
- MIL / check engine light
Sources
References
sae:J2012