P0169 - Water In Fuel Light On Too Long

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

P0169 Possible Causes

  • Water in fuel
  • Faulty Water In Fuel (WIF) Sensor
  • Water In Fuel Sensor harness is open or shorted
  • Water In Fuel Sensor circuit poor electrical connection

How do I fix code P0169?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Cost of diagnosing the P0169 code

Labor: 1.0

The cost of diagnosing the P0169 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0169 Description

There are two Water-In-Fuel (WIF) sensors attached to the two fuel filters. WIF 1 is attached to the fuel filter mounted on the engine. WIF 2 is attached to a 2nd fuel filter that can now be found mounted to the chassis. The Powertrain Control Module (PCM) provides a 5-Volt reference signal to each WIF sensor. When the water collected in the respective fuel filter covers the sensor probes, the sensor then pulls the 5-Volt reference voltage low indicating high water accumulation in that fuel filter. The PCM sets Diagnostic Trouble Code (DTC) when it has detected that the Water In Fuel light has remained on longer than expected.
OBDII Code P0169 - Water In Fuel Light On Too Long - AutoCodes.com

More Information

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