Join Date: Apr 1999
Location: Gilbert, AZ.
Feedback Score: 0 reviews
The TPS, aka the APPS on the 7.3L is replaceable, and you can test it with a meter. I would also look at the IVS(micro switch) on the pedal assembly, it needs to click/function before the APPS reading is accepted by the PCM. You can unplug and unbolt the whole pedal assembly it's 3 10mm bolts.
Early 99 F250 XLT,White/Silver,4x4,SC,SB,A/T,PMT1,ARE LSII tonneau,Amp Research power steps,MB Razor's,295-60-20 Nitto Trail Grapplers,Rhino Liner,Rancho9000's,Bushwacker Street Flares,DP-Tuner F5,True-Cool Max,AFE modified-W.D.RamAir,5"Hypermax exhaust,Hypermax DP,Firestone Ride-Rites,2.5" front leveling leafs,AutoMeter-ProComps/triple pillar,heated TTT mirrors,DEI remote start,Amsoil enhanced.