Water In Fuel Sensor Leaking?
Pretty sure this is the WIF/Water-In-Fuel Sensor but after researching someone else called it a vacuum sensor or something. Anyway, it's an 1/8" NPT Thread, goes in horizontal on the driver's side of the fuel filter housing. In front of it is a Schrader valve. This has a 1-wire connector that is a bullet style terminal. This is a plastic sensor incased in a metal body and male thread.
Anyhow...this thing started leaking. I don't know if it has to do with the fact that I was lazy and it was cold last night so I went to a drive through car wash or what. But this morning when I was about to head out on a 2 hour trip to visit my grandfather, I noticed dripping from the engine while I had it running. I crawled under the truck to see what it was, and it was certainly diesel fuel. It's never done that before. So I popped the hood and the engine cover and saw that sensor leaking between the plastic and the metal part. I pulled the sensor out and cleaned it up, put some new PTFE tape on it. I also drained the filter. I reinstalled the sensor and started the truck up. It didn't leak as bad, but it was still dripping every 5-6 seconds.
I never saw the WIF light come on, not last night in the car wash, not this morning, matter of fact it's never come on...maybe it's my religious maintenance, but either way...it never came on.
Anyhow. If this IS the water in fuel sensor...can it be temporarily plugged with an 1/8" NPT Plug? All it does is tell the stupid light when to come on right? Also...does anyone have a part number for this sensor so I can pick one up or order one this week?