05 f150 shifting problems
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3rd Gear
Joined: Apr 2024
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05 f150 shifting problems
Normally in my spare time which isn’t a lot lately, I do my own mechanics on my personal trucks and car. But I don’t do a lot of transmission work. Recent I had to put my f150 fx4 in the shop for tranny going bad at 300k+. Lost all forward gears. When it started having signs of tranny problems I changed filter and fluid by ford specifications. 50 miles later, toast. So I put it a shop and they sent it off for a fresh rebuilt. I put a 120 miles on it, mostly highway and babied the thing. Now it’s doing it all over again. At first it drove fine, shortly after upstream o2 popped. How much can an upstream o2 affect the pcm on shifting points? The last two times I drove it, it hesitated mildly for take off after putting in drive, irregular shifting intermittently. Then on way back to shop to have it looked at again it, transmission stalled. Was at 30mph, then rpm reeved up to 3000-3500 before it took off after I let out going up a small grade hill. Any thoughts for more experienced mechanics? Appreciate it in advance!
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,738
Likes: 2,666
From: SE Florida
Zero.
I know what a stalled engine is. I know what stall speed is in a torque converter, but I do not know what a stalled transmission is. Can you help me with that?
Is this what you mean by the transmission stalled? This sounds like low trans fluid or a missing/loose internal filter.
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