Speed Sensor? Electronics? Transmission shifts hard - Ford Powerstroke Diesel Forum
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post #1 of 44 Old 02-27-2006, 04:03 PM Thread Starter
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Speed Sensor? Electronics? Transmission shifts hard

I have a 1995 7.3L Pukin Smoker
After going up in the hills the other day and muddying things up i drove into town to give it a bath
I washed everything and immediately after i started having problems

Speedometer does not work nor does the tripometer, dome lights do not come on power mirrors don't work and i cannot unlock the doors with keyless entry but i can lock them the transmission shifts Extremely hard now and the overdrive light flashes on and off it shifts way late at 2800 rpm it will slam it into all gears it will shift from first into second and slip the clutch back into first real quick then slam into second. The rest of the gears slam hard but do not slip. Was wondering if the speed sensor is fouled up and if so what relation does this have to the lights and other electronics Is there a common wire between all of it?
I have checked all fuses and briefly looked over it. Wondering if anybody has had this happen before or know anything about possible causes.
All problems occured immediately after wash was complete.
The last time I washed it good the cps got messed starting to think that washing pickups is the wrong course of action.
Thanks much
Chris
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post #2 of 44 Old 02-27-2006, 04:13 PM
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GEM maybe. dont know if they had them on those units though. marc, your thoughts?

Bill
2000 f-250 4x4 ex cab 7.3 psd. diablo programmer, TS 6 pos. , 4" exhaust turbo back w/ 5" stacks, wicked wheel, HX cross over, zoodad mod, 6637 mod, boost pyro & trany on the a pilliar. 315/75/16 bfg mt's,.superwinch hub's, 6.0 trans cooler, banks trans command. sky jacker leveling kit


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post #3 of 44 Old 02-27-2006, 04:17 PM
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Quote:
Originally Posted by Chris05
I have a 1995 7.3L Pukin Smoker
After going up in the hills the other day and muddying things up i drove into town to give it a bath
I washed everything and immediately after i started having problems

Speedometer does not work nor does the tripometer, dome lights do not come on power mirrors don't work and i cannot unlock the doors with keyless entry but i can lock them the transmission shifts Extremely hard now and the overdrive light flashes on and off it shifts way late at 2800 rpm it will slam it into all gears it will shift from first into second and slip the clutch back into first real quick then slam into second. The rest of the gears slam hard but do not slip. Was wondering if the speed sensor is fouled up and if so what relation does this have to the lights and other electronics Is there a common wire between all of it?
I have checked all fuses and briefly looked over it. Wondering if anybody has had this happen before or know anything about possible causes.
All problems occured immediately after wash was complete.
The last time I washed it good the cps got messed starting to think that washing pickups is the wrong course of action.
Thanks much
Chris
sounds to me like y9u got mud or something in the speed sensor for the speedo and trans problem......the dome light and keyless entry is run through another cuircuit.....so im not sure where that problem lies, but i would disconnect the speed sensor, clean both sides of the connection, and put di-electric grease in it to prevent further problems.........Marc
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post #4 of 44 Old 02-27-2006, 04:18 PM
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find a code reader and pull your codes, with the problems your having there should be codes set in computer.
post #5 of 44 Old 02-27-2006, 04:23 PM Thread Starter
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Hey whats a good code reader i am sick of going to the dealer or anybody for 100 bucks a pop every time where is a good place to get one?
Thanks
Chris
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post #6 of 44 Old 02-27-2006, 04:31 PM
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Quote:
Originally Posted by lukecline
find a code reader and pull your codes, with the problems your having there should be codes set in computer.
depending on whats going on....there may or may not be a code for the dome lamp issue....although im sure there is one for the speed sensor....ive done that one myself.......Marc
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post #7 of 44 Old 02-27-2006, 05:41 PM Thread Starter
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I just went to checker and autozone tried to use there code readers on my truck they wouldnt work i bought a speed sensor 20 bucks i guess i will try that and check some wire connections if not i will try the ford dealer. However the kid working in there said he experienced the same kind of problem (lights mirrors not working tranny messed up) with his diesel pickup and it ended up being some odd fuse located apart from everything else and that remedied it. Dont suppose anyone has ever heard of that?
Chris
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post #8 of 44 Old 02-27-2006, 05:45 PM
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Quote:
Originally Posted by Chris05
I just went to checker and autozone tried to use there code readers on my truck they wouldnt work i bought a speed sensor 20 bucks i guess i will try that and check some wire connections if not i will try the ford dealer. However the kid working in there said he experienced the same kind of problem (lights mirrors not working tranny messed up) with his diesel pickup and it ended up being some odd fuse located apart from everything else and that remedied it. Dont suppose anyone has ever heard of that?
Chris
there are only two places you have fuses.....one box in the engine compartment, and one behind the panel just in front of your shins in the engine compartment....there are relays other places...but no other fuses........Marc
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post #9 of 44 Old 02-27-2006, 05:46 PM Thread Starter
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Yeah thats what I thought as well and i checked all of them.
He might of thought a fuse was a relay being the toothless unshowered redneck he was.
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post #10 of 44 Old 02-27-2006, 05:50 PM
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Quote:
Originally Posted by Chris05
being the toothless unshowered redneck he was.
hey now, thems faughtin words there.




















j/k.

Bill
2000 f-250 4x4 ex cab 7.3 psd. diablo programmer, TS 6 pos. , 4" exhaust turbo back w/ 5" stacks, wicked wheel, HX cross over, zoodad mod, 6637 mod, boost pyro & trany on the a pilliar. 315/75/16 bfg mt's,.superwinch hub's, 6.0 trans cooler, banks trans command. sky jacker leveling kit


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