ERRATIC Shifting please help!
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ERRATIC Shifting please help!
I have a 94 f-250 xlt and it has been have very hard shifting it will clunk shifting every gear and seems to like to jump into Od then neutral. I replace the vss and that fixed it untill I turn the truck off! Then problem came back! Also replace the 3rd brake light and that also it fixed untill I turned the car off! I have the 7.5l with the E4OD. please help! Tryna see if there are any more common fixes to this problem!
Lead Driver
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From: Houston/Sugar Land
Did it start shortly after the fluid change?
Lead Driver
Joined: Oct 2016
Posts: 6,185
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From: Houston/Sugar Land
If you are saying the problem started AFTER or shortly thereafter then I think subford was indicating the filter probably fell out of place and back into the pan. I'm not sure he was going there but hopefully he will check back and verify what I said. It is not an uncommon problem. He is one of our most knowledgeable members.
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[QUOTE=sandymane;20046511]If you are saying the problem started AFTER or shortly thereafter then I think subford was indicating the filter probably fell out of place and back into the pan. I'm not sure he was going there but hopefully he will check back and verify what I said. It is not an uncommon problem. He is one of our most knowledgeable members.[/QUOTE the problem start same day I bought the thing a couple weeks ago! It shift a lil bit better when you get on the gas hard and bring it up too like 3500 but just sucks gas
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Lead Driver
Joined: Oct 2016
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From: Houston/Sugar Land
You didn't mention whether you had a 2WD or 4WD. The filters are different for each one. Make sure now that you put the correct one in. Difference is the tube length.
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From: Houston/Sugar Land
Your truck may have gone into LIMP mode which is designed to protect the truck from someone getting on the gas hard and 3500 RPM's. I am posting a video of how you run diagnostic codes for your truck. You will get two or three digit codes . Use a paperclip in place of the jumper wire he uses. This is invaluable when working on the trucks which you will have to do with these older vehicles. Get the truck to operating temp at IDLE and then run the Key on Engine Off test first and post your codes. They must be cleared before you do the KOER engine running test.
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From: Easton,Ks
As Sandymane said above if you have a 4x4 and you put a 2 wheel filter in the transmission it cause what you are describing.
Also you will not get a MIL (check engine light) with a bad VSS train to PSOM and PCM.
The error will only appear in the stored part of the codes sometimes called the CM.
Also you will not get a MIL (check engine light) with a bad VSS train to PSOM and PCM.
The error will only appear in the stored part of the codes sometimes called the CM.
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Problem fixed
I changed my speedometer and it fixed my problem it shifts like a CLOCK turned it off got gas and turned it back on and it still shift perfectly ! Sadly I gotta sell it! Beast of a truck hopefully this helps someone! Thanks for the help everyone!
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