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Auto tranny problem - lights a flashing!

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Old Jul 28, 2005 | 09:11 AM
  #1  
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Auto tranny problem - lights a flashing!

Hey guys. I have a 96 F250 7.3L with 140K miles and lately when I take off and about to my desired speed and start to let off the pedal slightly, thats when the check engine light comes on and the O.D. light flashes on the shift lever. If I push on the accelerator when the lights are on, it is very slugglish, but seems all I have to do is lift up on the pedal for a second, then push back down and everything seems to be back to normal (the check engine and O.D. lights turn off). I also feel the truck shifting sooner than normal, like around 1200 - 1500 rpm it'll shift into 2nd and 3rd. This problem happens with and w/o a load, and it seems like only the first mile or two down the road. As I have been reading, I will disconnect the batteries for 20 minutes to reset the fault code and see if it happens again. If it does, will this mean my tranny is on the edge of going? Is it worth flushing the tranny to see if that helps, or am I just wasting time and money when I actually need to rebuild the tranny?

Thanks for your help,
Jeff
 
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Old Jul 28, 2005 | 11:52 AM
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Before fixing ANYTHING, get the codes read. You might rebuild the trans and have the same problem. It might not be in the trans, it could be something outside.

Any diagnosis without know what code is set is worthless.
 
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Old Jul 28, 2005 | 12:28 PM
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Where can I get the codes read? Do I have to go to a Ford Dealership? Thanks for the advise.
 
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Old Jul 28, 2005 | 12:42 PM
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you don't have to go to the stealership to get this done. you can go to most parts stores and they have readers. You might call them first..
 
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Old Jul 28, 2005 | 02:08 PM
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Most parts stores can't read transmission codes. A good independant shop or a dealer are usually your two choices.
 
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Old Jul 28, 2005 | 02:12 PM
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thanks Casey, forgot the symptom for a second there. good work..
 
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Old Jul 28, 2005 | 09:33 PM
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I I have a 1997 F350 PSD 4x4 207.000 miles and the OD light started flashing. I took my truck to a friend that owns a transmission shop. He reset error code and flushed my transmission have not had any more problems. My friend said the error code I had was a torque converter error.
 
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Old Oct 25, 2011 | 06:58 PM
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1997 f 350 auto

looking for some help? my truck shifts good with a light throttle peddle. when i throttle heavy so it shifts around 2200 rpms it shifts good from 1st to 2nd, and real hard at @ 35mph. the other shifts are ok., is this the converter locking up?? maybe bad clutches in the t/c. any way to disconnect the t/c lock up mode to help find the culprit.. thanks brian
 
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Old Oct 25, 2011 | 08:54 PM
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Originally Posted by brif1996
looking for some help? my truck shifts good with a light throttle peddle. when i throttle heavy so it shifts around 2200 rpms it shifts good from 1st to 2nd, and real hard at @ 35mph. the other shifts are ok., is this the converter locking up?? maybe bad clutches in the t/c. any way to disconnect the t/c lock up mode to help find the culprit.. thanks brian
Why don't you start a new thread with your problem rather than enter a second set of problems in with the OP's question ?
 
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Old Oct 25, 2011 | 08:55 PM
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WOW! You brought a six year old thread back to life.

You can disconnect the wire to the torque converter control solenoid to disable the lockup. I don't have a wiring diagram to tell you which wire.
 
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Old Oct 26, 2011 | 07:37 PM
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Originally Posted by nlemerise
Why don't you start a new thread with your problem rather than enter a second set of problems in with the OP's question ?
sorry for any confusion or trouble, new to the forum
 
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