UNRESOLVED PROBLEM Getting ridicoulous!
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UNRESOLVED PROBLEM Getting ridicoulous!
1994 f350 diesel idi 4x4, flashing od light,tranny shifting hard, limp mode, and alarm acting funny thats the problems. So i took the truck to ford last week to get it checked out and they told me the usuall psom and something else. Took it to get the cluster repaired yesterday and got a call today and the basically said everything ford said was wrong. psom is good and the whole cluster is good. they said it might have something to do with the batter connecting to the speedometer. Replaced the rear speed sencor too last week. Somebody please give me some usefull knowledge! need help thanks
Elder User
Joined: Sep 2013
Posts: 594
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From: West Des Moines, IA
It's the range sensor on the drivers side of the injection pump. Tells the transmission how much throttle you're giving the engine so it knows when to shift. They're really only good for about 50,000 miles.
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New User
Joined: Sep 2013
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Alright when i get the truck back today ill switch it out, Let me kno if you kno of anything else appreciate it
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Joined: May 2013
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i have a 93 with simular problems . hard shiftng , cruse quit, spedo quit, blowsflasher all started at the same time. i was told it was my ecu . but no one can tell me were it is.
good luck .,
mybig414
good luck .,
mybig414
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New User
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Well if you find the solution let me kno, idk what the ecu is tho? and what are the blowsflasher, i fell like its at the point were i need to start asking questions if i dont kno what something is.
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Joined: Mar 2013
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From: aouth east idaho
You don't have an ecu you have a tcm (trans control module) I would bet a ground circuit is having problem and the tcm can't make logical decisions anymore so bam limp mode. But that's just my .0000000002 cents.
More Turbo
Joined: Mar 2008
Posts: 525
Likes: 6
From: douglasville
my 94 was doing the same thing when I got it and it turned out there was a fuse missing because the dome lights were stuck on and someone had removed the fuse to kill the lights so its worth it to check that out
Fleet Owner
Joined: Jul 2006
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From: Mi'kma'ki
it's all guessing without the codes guys,like bashby suggests.there are some things you can narrow down to most likelies lol but you didn't post anything such as faulty speedometers or tachs and such.
big ole,yeah the reason why she didn't know how to shift without that particular fuse in,is because it's also the fuse for the PSOM.so the E40D was blind to how fast the vehicle was moving,therefore no way it could shift properly being electrically controlled.
i learned this one the hard way myself one day.i pulled it due to a bad door jam switch.figured id just turn the light off by pulling the fuse....wrong lol.
big ole,yeah the reason why she didn't know how to shift without that particular fuse in,is because it's also the fuse for the PSOM.so the E40D was blind to how fast the vehicle was moving,therefore no way it could shift properly being electrically controlled.
i learned this one the hard way myself one day.i pulled it due to a bad door jam switch.figured id just turn the light off by pulling the fuse....wrong lol.
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it's all guessing without the codes guys,like bashby suggests.there are some things you can narrow down to most likelies lol but you didn't post anything such as faulty speedometers or tachs and such.
big ole,yeah the reason why she didn't know how to shift without that particular fuse in,is because it's also the fuse for the PSOM.so the E40D was blind to how fast the vehicle was moving,therefore no way it could shift properly being electrically controlled.
i learned this one the hard way myself one day.i pulled it due to a bad door jam switch.figured id just turn the light off by pulling the fuse....wrong lol.
big ole,yeah the reason why she didn't know how to shift without that particular fuse in,is because it's also the fuse for the PSOM.so the E40D was blind to how fast the vehicle was moving,therefore no way it could shift properly being electrically controlled.
i learned this one the hard way myself one day.i pulled it due to a bad door jam switch.figured id just turn the light off by pulling the fuse....wrong lol.
Just got the truck back from the cluster shop and the gauges are even more messed up! the battery guage and fuel pressure guage are bothe done now. Still managed to limp the truck home tho. Turns out the shop broke my lights **** too so im even more pissed. Talk to the guy who sole me the truck who is also a mechanic hes told me to bring it tommorw and hes gonna look at the tranny.
Tuned
Joined: Feb 2004
Posts: 343
Likes: 30
From: Maryville, TN
it's all guessing without the codes guys,like bashby suggests.there are some things you can narrow down to most likelies lol but you didn't post anything such as faulty speedometers or tachs and such.
big ole,yeah the reason why she didn't know how to shift without that particular fuse in,is because it's also the fuse for the PSOM.so the E40D was blind to how fast the vehicle was moving,therefore no way it could shift properly being electrically controlled.
i learned this one the hard way myself one day.i pulled it due to a bad door jam switch.figured id just turn the light off by pulling the fuse....wrong lol.
big ole,yeah the reason why she didn't know how to shift without that particular fuse in,is because it's also the fuse for the PSOM.so the E40D was blind to how fast the vehicle was moving,therefore no way it could shift properly being electrically controlled.
i learned this one the hard way myself one day.i pulled it due to a bad door jam switch.figured id just turn the light off by pulling the fuse....wrong lol.
Bob