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Looks like my fuel sensor is leaking. Any tips to replacing it? I suspect using minimal torque is recommended. But teflon tape or other recommended thread sealer?
it is a fuel filter restriction indicator sensor. plug it, if not the pink fuel rated Teflon and a new $100.00 sensor so if you never change your filter it will let you know it is getting clogged
The 'drip' was almost a full stream and easy to pic. Though this sensor was easy to see, its drip was not as easy. Looking from the front, and even hovering over everything on my homemade over-creeper, this gusher remained obscured. It wasn't until I got my head closer to the firewall and was looking back (technically looking forwards towards the front of the truck) that I saw this thing dripping.
Thanks all for identifying this and giving some practical solutions!
When I bought my truck mine leaked as well, I had extra sensor hanging around, and that one leaked too. Toss it! Since the sensor doesnt really do much (filter restriction sensor) you can just plug it and remember to change your fuel filter every 10-15k miles.
At the risk of piling on, +1 above. NPT plug with a little Gasoila or other pipe thread sealer in a tube. Teflon tape makes it too easy to overtorque, which, for the reason stated above, you DON'T want to risk.
it is a fuel filter restriction indicator sensor. plug it, if not the pink fuel rated Teflon and a new $100.00 sensor so if you never change your filter it will let you know it is getting clogged
Not quite. It's only $33.71 at Diesel O-Rings. Of course, that's about $30 more than a pipe plug.
NPT plug with a little Gasoila or other pipe thread sealer in a tube.
Where do I find this Gasoila?
Originally Posted by dclack
Not quite. It's only $33.71 at Diesel O-Rings. Of course, that's about $30 more than a pipe plug.
I opted for the pipe plug. Interestingly, the fuel bowl cover started to leak a little, and the 'clogged fuel filter' sensor started to leak before the warning light glowed...
I think that sensor lights up when there is a restriction in the fuel system, from the tank to the engine. I've been told it alarms when the vacuum level reaches about 7 inches of mercury, at which point the restriction begins to be too much for the fuel pump diaphragm to continue drawing fuel up to the engine. It can help alert the driver to a problem before it leaves you stranded somewhere on the road.
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