Water in Fuel (WiF) Sensors

Replacement Parts > Air and Fuel Delivery > Sensors

Water in Fuel (WiF) Sensors

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What is a Water in Fuel (WiF) Sensor?

A Water in Fuel (WiF) Sensor is a device that detects the presence of water in diesel fuel, which can cause engine damage if not addressed.

What is the purpose of a Water in Fuel (WiF) Sensor?

The purpose of a Water in Fuel (WiF) Sensor is to monitor the amount of water present in diesel fuel and alert the driver when levels reach a critical point.

How can I determine if my Water in Fuel (WiF) Sensor is faulty?

If your vehicle is displaying a warning light, or you notice a decrease in fuel economy or engine performance, it may be an indication that your Water in Fuel (WiF) Sensor is faulty.

Can a faulty Water in Fuel (WiF) Sensor cause damage to my vehicle?

Yes, a faulty Water in Fuel (WiF) Sensor can cause damage to your vehicle's fuel system and engine and should be addressed as soon as possible.

How do I replace a Water in Fuel (WiF) Sensor?

To replace your Water in Fuel (WiF) Sensor:

  1. Locate the sensor in your vehicle's engine bay.
  2. Disconnect the power and ground cables from the sensor.
  3. Remove the sensor from the engine bay.
  4. Install the new sensor.
  5. Reconnect the power and ground cables.
  6. Test the sensor to ensure it is functioning properly.