OBD Codes List

Diagnostic reference · P2264

P2264

Water in Fuel Sensor A Circuit

System
Injector circuits (P code)
Lamp
Check Engine Light
Category
Powertrain - Fuel/Air Metering

What it means

P2264 means Water in Fuel Sensor A Circuit.

Where it lives

For P2264, the circuit described runs through the sensor. The description of P2264 reports a fault at the sensor.

Check these first

  • A failed water in fuel sensor A
  • An open or short in the water in fuel sensor A circuit
  • Corrosion at the water in fuel sensor A connector
  • Water actually present in the fuel filter bowl

What to do next

  1. Read water in fuel sensor A status on a scan tool
  2. Drain the fuel filter bowl and check for water
  3. Test the water in fuel sensor A circuit for opens and shorts
  4. Inspect the water in fuel sensor A connector for corrosion
  5. Replace the water in fuel sensor A if the circuit tests good
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.