Quote:
Originally Posted by bluex
That fitech sump thing overheating pumps is something I heard about a lot. One of the main reasons I went with an in-tank pump. I hope they take care of it for you....
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Yeah I knew about that ahead of time that's why I modified mine to cycle the fuel back to the tank. Most guys don't have any issues using it that way.
I found out why mine failed. I ran the truck for a few minutes, shut it off. I pulled the return line off the sump and fuel sprayed everywhere. This should not have been under pressure. I put a little bit of air through the line and realized it was plugged. I don't know what was in it but I was able to bump the pressure and clear whatever was in the line. The low pressure gauge now reads next to zero pressure which makes sense as the fuel is filling and then returning to the tank once its fills. Previously it was reading 5-6 psi.
The system now runs a lot cooler. I don't expect any future issues.
edit. The pump got pretty hot ;-)
