E4OD issues

[dustybumpers]

92 has 2 VSS, one on the rear, one where the speedometer cable used to be

[98f150base]

The funny thing about the stalling issues is that it doesn’t happen immediately when you stop. It will idle ok for about 10-30 seconds then you fell it bogg down and the rpm drop to the point it will stall. Put in neutral or 2nd goes away and idles fine. If you keep a little throttle applied the rpm will lightly surge sometimes and the truck will lunge a little along with the surge which I’m guessing in the TC locking and unlocking.


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[O'Rattlecan]

Yeah my 94 has a VSS on the rear differential only, but my memory is that the 92 has one on the transmission (not sure if it has both, or just the transmission one).

The VSS along with the TPS provide crucial data to the computer. Additionally make sure the wires are in good condition feeding those as well. I had aftermarket exhaust near the wire leading to my rear differential and had to remedy that. It rubbed for years without my knowing and eventually wore through the insulation, grounding it out.

The VSS (in my experience) caused bouncing speedometers and the transmission to seemingly "fall out of gear."

Ryan

[98f150base]

I had a little time to look into my transmission problems and have not found anything yet. All sensor readings I can see on an scan tool look normal. I triple checked fluid level. So I have made an appointment at the trans shop for a week or so from now. I know the owner really well and he said he will drive it and find out what direction to go in. He said it sounds like some of the valves or plungers are sticking in the valve body. So I will hopefully have an answer soon.
I have been thinking about selling the truck here lately because I just picked up a 06 p71 crown Vic from my brother in law that needs an engine and I have planned on fixing the p71 then start driving it. So I will see if the truck is fixable without pulling the transmission or not. Ether way I think the truck is going to be sold. It was a freebie from my father in law and it’s been a good vehicle for the time I have had it, just took a little TLC to get it where it’s at now. Hate to let a truck go but I can always get another later and I kinda miss having a vehicle with enough room for two or more passengers. I think the p71 will be a fun car.


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