Water in Fuel Sensor Circuit Low
The POWERSTROKE-P2266 (Power Stroke) diesel fault code means: Water in Fuel Sensor Circuit Low. This is a moderate severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- beginner
- Estimated cost
- $80-$300
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Common Symptoms
- CEL
Probable Causes (Ranked by Likelihood)
- Failed WIF sensor Likely
Step-by-Step Diagnostic Procedure
Replace sensor.
Frequently Asked Questions
What is P2266 on a 6.0L Power Stroke?
P2266 on a 6.0L Power Stroke (2003-2007) indicates: Water in Fuel Sensor Circuit Low. This is a known diagnostic trouble code on this engine family and typically points to the causes listed above.
Can I drive with P2266 on my Power Stroke?
Yes, you can generally drive with this code, but diagnose it soon to prevent further damage.
How much does it cost to fix P2266?
Repair cost is typically $80-$300 depending on the underlying cause and whether you DIY or use a shop. Diagnostic time alone runs $100-$180 at most independent diesel shops.
P2266 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown: