Air Dog II w/ Water In Fuel light on - Ford Powerstroke Diesel Forum
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Old 11-10-2012, 12:33 PM
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Air Dog II w/ Water In Fuel light on

Hey guys, driving the other day my "water in fuel" light came up on the truck. I have replaced the factory pump with an AirDog II and from my understand the sensor for the water in fuel was in the old factory pump. Am I wrong? i drained the water/fuel seperator on the airdog and the light still comes on. I read somewhere that the factory plugs possibly got wet or damaged and that could cause it but I just thought i'd throw a post up and get some more feedback. I'm a little worried about it incase it isn't just a wet plug.
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Old 11-10-2012, 05:36 PM
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Quote:
Originally Posted by dcbutcher View Post
Hey guys, driving the other day my "water in fuel" light came up on the truck. I have replaced the factory pump with an AirDog II and from my understand the sensor for the water in fuel was in the old factory pump. Am I wrong? i drained the water/fuel seperator on the airdog and the light still comes on. I read somewhere that the factory plugs possibly got wet or damaged and that could cause it but I just thought i'd throw a post up and get some more feedback. I'm a little worried about it incase it isn't just a wet plug.
Do you still have the factory HFCM installed?
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Old 11-10-2012, 05:37 PM
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No, when I installed the airdog 2 it replaced the hfcm


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Old 11-10-2012, 05:52 PM
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It's a phantom, ignore it.
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Old 11-10-2012, 06:03 PM
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Okay great thanks. Do you know if the truck respond different with that light and code flipped?


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Old 11-10-2012, 07:10 PM
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No, it doesn't. When it dries out tape the connector up and you shouldn't have any more problems with it.
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Old 11-10-2012, 07:11 PM
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Okay great, thanks for the help.


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Old 11-11-2012, 06:32 PM
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This happened to me before with my AD2 installed and the HFCM removed. The light came on going home one day and the next day I came out and started the truck the light wasn't on anymore and it hasn't came on since. I wouldn't worry about it.
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Old 01-29-2013, 01:44 AM
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What is the HFCM? my light just came on at the gas station.
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Old 01-29-2013, 03:44 AM
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Air Dog II w/ Water In Fuel light on

Quote:
Originally Posted by jimmyz32 View Post
What is the HFCM? my light just came on at the gas station.
Your fuel pump and primary fuel filter, on the frame rail.


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air dog 2, water in fuel, water/fuel seperator

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