Code result

P2264

Water in Fuel Sensor Circuit

High severity

What it means

The ECU detects an electrical fault in the diesel water-in-fuel sensor circuit. Until repaired, water contamination in the fuel filter cannot be detected, risking damage to the high-pressure pump and injectors.

Is it safe to drive?

No — stop driving

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.

Most likely causes

  • Defective water-in-fuel sensor

    high

    One of the most commonly reported causes for this code — check this first.

  • Wiring or connector fault

    medium

    A plausible cause — test and verify before replacing parts.

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