OBD Codes List

Diagnostic reference · P2265

P2265

Water in Fuel Sensor A Circuit Range/Performance

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

What it means

P2265 means Water in Fuel Sensor A Circuit Range/Performance.

Where it lives

For P2265, the part to look at first is the sensor named here.

Check these first

  • A water in fuel sensor A reading outside its expected range
  • A contaminated water in fuel sensor A probe
  • A partial short in the water in fuel sensor A wiring
  • Water in the fuel filter bowl at the sensor

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. Inspect the water in fuel sensor A probe for contamination
  4. Test the water in fuel sensor A wiring for shorts
  5. Replace the water in fuel sensor A if it reads out of range
  6. Clear the code and retest

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Updated

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