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Oct 18, 2010 | 02:22 PM

cociorvan

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need som help

I have a 1995 f150 4.6l v8 with 212000 miles on it i regularly maintenance i changed the tranny a year ago and it worked just fine then all the sudden the torque converter just stopped locking so now i do 60mph at 2000 rpms instead of 1500 and so im burning alot of gas what could be wrong with it? is it a sensor or the torque converter? The engine still has alot of power amazing torque

Oct 19, 2010 | 06:24 AM

torkum

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From: Mount Juliet, TN

Sounds like tranny rebuild time with that many miles

Oct 19, 2010 | 08:40 AM

cociorvan

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could it? because the new tranny had less the a 100,000 miles on it when i put it up

Oct 19, 2010 | 10:55 AM

Johnny Langton

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From: SE Texas

There is a solenoid in the trans pan attached to the valvebody on the 4R70W that controls torque converter lockup. It may be bad. It could also be a bad torque converter clutch. Is the OD light flashing on the end of the shift lever?
JL

Oct 20, 2010 | 06:00 PM

cociorvan

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no it doesnt

Oct 20, 2010 | 06:03 PM

Johnny Langton

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From: SE Texas

Quote:

Originally Posted by cociorvan

no it doesnt

It's possible that the bulb on the OD light is bad, or something else is going on. You need a good quality scanner/datalogger to see what's going on. There are several things that can cause the TCC to stay unlocked.
JL