Code result
P238F
Water in Fuel Condition Sensor B
Moderate severity
What it means
Sensor B reports water in the fuel filter housing - drain the water trap immediately. Continued operation may cause damage to the high-pressure pump and injectors.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Water has collected in the filter trap
highOne of the most commonly reported causes for this code — check this first.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P238F freeNo credit card required