I installed a gt500 fuel pump, and since I installed it I am getting a dte fli data err on my screen. I start the car and the gauge goes up to half a tank for about 15 seconds then I get the beep and it drops to empty and I get that code. I was wondering if anyone knows how to fix this. I have made sure the sending wires are placed correctly with the blue to the green and the green to the blue. I have made sure the float isn't stuck and I have since then ran out of options.....please someone help, the car runs fine I just want my gas gauge to work!

 

Loos like a few people have had issues with the FLI not working,
see if this works for you.
http://www.modularfords.com/forums/s...=1#post1530450
or
http://mustangforums.com/forum/6759622-post14.html