'94IDITurbo7.3
HAMMER DOWN!
Glad it make sense!
I think this has been mentioned before but the number 2 piece has two set screws that hold it onto the throttle shaft. It sounds like whomever installed your pump didn't set the TPS shaft adapter (if that is even what it is called) aka part number 2. You need to loosen it and advance it (counter-clockwise). I wouldn't go over 1/16 of a turn; just use your judgment or you will be readjusting and wasting time. The TPS should also have some resistance or be engaged when you install it and turn it into position. I would guess 1/8 turn of resistance.
I think this has been mentioned before but the number 2 piece has two set screws that hold it onto the throttle shaft. It sounds like whomever installed your pump didn't set the TPS shaft adapter (if that is even what it is called) aka part number 2. You need to loosen it and advance it (counter-clockwise). I wouldn't go over 1/16 of a turn; just use your judgment or you will be readjusting and wasting time. The TPS should also have some resistance or be engaged when you install it and turn it into position. I would guess 1/8 turn of resistance.
Good news!
Made lots of headway with the truck today. First thing, the #2 piece (as refered to in this thread) was off. There was one allen screw which was located on the bottom of the fitting. I pulled the screw out and rotated the piece clockwise (looking in from the drivers side). I re-installed the TPS, ended up starting at .9 volts but the truck shifted very firm and early still. I tried 1.0 then 1.1 but the shifts were still all wrong and no change on shift firmness.
So, I pulled the negative battery cables in hopes that this would clear computer of any fault codes (limp mode)....no luck, still very firm and in-consistent shift points. I remembered a 94 Mustang I had years ago doing simlar stuff and ended up being the range sensor (Ford calls it's the MLPS I think) on the trans was bad. So, I picked up a new range sensor which also came with an updated wiring connector and installed it, reset the batteries, and viola', trans shifts beautfully! At .90 volts shifts felt very soft and normal. I ended up bumping the TPS voltage up to .95 then 1.0 and ended up at 1.05 which results in good solid shifts.
A few questions though (may need to start a new thread). With the TPS at 1.05 at idle, full throttle shifts happen at 3200-3300 rpm. I assume his is safe for this engine? Also, I noticed at WOT there is no black smoke. I'm not sure if this should be an issue but I want to make sure since the injection pump was very recently installed.
Thanks for all the help!
Matt
Good news!
Made lots of headway with the truck today. First thing, the #2 piece (as refered to in this thread) was off. There was one allen screw which was located on the bottom of the fitting. I pulled the screw out and rotated the piece clockwise (looking in from the drivers side). I re-installed the TPS, ended up starting at .9 volts but the truck shifted very firm and early still. I tried 1.0 then 1.1 but the shifts were still all wrong and no change on shift firmness.
So, I pulled the negative battery cables in hopes that this would clear computer of any fault codes (limp mode)....no luck, still very firm and in-consistent shift points. I remembered a 94 Mustang I had years ago doing simlar stuff and ended up being the range sensor (Ford calls it's the MLPS I think) on the trans was bad. So, I picked up a new range sensor which also came with an updated wiring connector and installed it, reset the batteries, and viola', trans shifts beautfully! At .90 volts shifts felt very soft and normal. I ended up bumping the TPS voltage up to .95 then 1.0 and ended up at 1.05 which results in good solid shifts.
A few questions though (may need to start a new thread). With the TPS at 1.05 at idle, full throttle shifts happen at 3200-3300 rpm. I assume his is safe for this engine? Also, I noticed at WOT there is no black smoke. I'm not sure if this should be an issue but I want to make sure since the injection pump was very recently installed.
Thanks for all the help!
Matt