That might be the ICP. Or is the nut on the IPR tight. If you don't know the abbreviations then search the site You'll learn them sooner or later..LOL If you mess with these trucks much!
A Ford man all my life.
From left to right:
My 86 F700 Dump Truck 370 Lima engine
92 F-250 4X4 W/ 35 in mudders 5.8 gas
TC 45 New Holland tractor Diesel
Old green 20 ft goosneck stock trailer
97 F-350 7.3 4 door dually
NOT pictured are the 68 Ford 2000 Tractor that I grew up on, and the 73 F100 of my son's. I also have a new addition, an 92 E-350 in 5.8 gas
Of all the things I've ever lost I miss my mind the most!
97 F-350 Dually
Superchips 1705 (does anybody do this one anymore?)
Hayden Tranny cooler (The Biggest they make!)
Boost Relief (not that I have needed it LOL!)
GlowShift A pillar gauges
Straight Piped (Not yet Illegal in my neck of the woods!)
(An oxy-moron I know!!!)