E4OD??
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Joined: Jan 2010
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E4OD??
I have a 93 Bronco with a 351 and my trans a problem down shifting. It only does it when you step into it for hills or passing, but on takeoff it does just fine. Any help with understanding what is going on with it would be great. Thanks in advance. <!-- / message --><!-- BEGIN TEMPLATE: ad_showthread_firstpost_sig --><!-- END TEMPLATE: ad_showthread_firstpost_sig -->
Hotshot
Joined: Jul 2002
Posts: 14,285
Likes: 12
From: Bend,OR
not sure what you mean exactly. when you pass or climb the tranny will downshift.
if your at a stop sign and take off is it not starting in 1st gear?
can you tell us anything like for instance is the speedometer bouncing? not working at all? OD light blinking?
have you pulled codes and when was the tranny serviced last. have you checked fluid level with it warmed up and running?
if your at a stop sign and take off is it not starting in 1st gear?
can you tell us anything like for instance is the speedometer bouncing? not working at all? OD light blinking?
have you pulled codes and when was the tranny serviced last. have you checked fluid level with it warmed up and running?
Posting Guru
Joined: Apr 2005
Posts: 2,018
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From: Longview, TX
Mine used to do the same thing. The happier the engine the happier the tranny. After tune up then doing all I could to improve mileage during $4/gallon times I replaced all except one sensor. The transmission continued to improve. Then dropping the transmission pan to replace the filter and fluid smoothed it out and lowered the shift points. Drain the torque converter also.
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When you take off from a stop it does start in 1st. If you stomp the gas it down shifts just fine, its when you don't stomp it is when it doesen't want to downshift. Have not pulled the codes, and there is nothing going on with the OD light.
Thanks for the ideas about happy engine happy tranny I will have give it a try.
Thanks for the ideas about happy engine happy tranny I will have give it a try.
The Southernmost Mod
Joined: Dec 2004
Posts: 6,902
Likes: 21
From: Caracas, Venezuela
It could even be the Throttle line, but usually that response comes from an engine that isn't working right. I'm almost 100% this issue has nothing to do with the auto per se.
Post Fiend
Joined: Mar 2002
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From: Bonita Springs FL
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Hotshot
Joined: Jul 2002
Posts: 14,285
Likes: 12
From: Bend,OR
what size tires are you running. PULL CODES and get your tranny serviced. honestly it sounds like normal behavior for the most part.
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