Shifting problems
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Trailering
Joined: Jan 2025
Posts: 22
Likes: 4
Shifting problems
I have a 1996 f-150 xlt 4wd 5.0 and I am having problems shifting. The 1-2 shift is harsh and when it shifts to o/d it will rev up and float a bit then shift in to o/d. When you let of the gas in o/d it will downshift into 3rd. I just had a new transmission put in it two weeks ago and it worked fine for a little over a week. Also if you floor it it will go up to the rev limit in 1st gear and will just stay there till you let off the gas then it will shift. If you barely get on the gas if will shift through the gears fine but it takes like 2 min to hit 60 that way. Does any one know what could be happening?
what I have replaced.
TPS
I tested the MAF and it was good
mlps and adjusted it
speed sensor in the transmission.
what I have replaced.
TPS
I tested the MAF and it was good
mlps and adjusted it
speed sensor in the transmission.
Thread Starter
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Trailering
Joined: Jan 2025
Posts: 22
Likes: 4
The new transmission is from jasper engines and transmissions and the warranty is 3year/100,000 mile.
Cargo Master
Joined: Jan 2004
Posts: 3,118
Likes: 149
From: South Dakota
I would contact whoever you paid for the transmission and tell them of your problem.
Thread Starter
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Trailering
Joined: Jan 2025
Posts: 22
Likes: 4
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,725
Likes: 2,651
From: SE Florida
The first thing to do is to read the codes.
I recommend Forscan. You can download it free at www.forscan.org. You don't have to buy a license just to read codes. Their page shows how to select an OBDII port adapter. I bought mine from Amazon for about $30.
I recommend Forscan. You can download it free at www.forscan.org. You don't have to buy a license just to read codes. Their page shows how to select an OBDII port adapter. I bought mine from Amazon for about $30.
Thread Starter
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Trailering
Joined: Jan 2025
Posts: 22
Likes: 4
The first thing to do is to read the codes.
I recommend Forscan. You can download it free at www.forscan.org. You don't have to buy a license just to read codes. Their page shows how to select an OBDII port adapter. I bought mine from Amazon for about $30.
I recommend Forscan. You can download it free at www.forscan.org. You don't have to buy a license just to read codes. Their page shows how to select an OBDII port adapter. I bought mine from Amazon for about $30.
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Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,725
Likes: 2,651
From: SE Florida
I don't know if either of those are capable of reading Ford transmission codes. Many readers cannot read them.
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Thread Starter
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Trailering
Joined: Jan 2025
Posts: 22
Likes: 4
Thread Starter
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Trailering
Joined: Jan 2025
Posts: 22
Likes: 4
No, before I had the transmission replaced it would no go over 35 without putting it in 2nd on the column even though it did shift all the way into o/d
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