Ford told me my DPFE sensor is bad, but they wanted a HUGE amount of money. so i figured i would do it myself. i went and bought one, but it doesnt look like what i thought it was on my truck (99 F150, 5.4 ltr engine). what i bought is rectangular, bout 1 1/2 inches by 3 inches. the thing on my truck that has two hoses into it... the thing i THOUGHT was the DPFE sensore is round. anybody have a pic of one, or any suggestions?