No Overdrive....
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No Overdrive....
OK, i'm goin crazy here folks....94 12 valve automatic that for some reason has no overdrive. Had it at a transmission shop and they tore the trans apart and said it is fine. I just got done replacing the TPS and that didn't help either. I read a bunch of threads about adjusting the TV cable but all the pictures looked like a first gen set up and not a second gen. Trans shifts fine except for not going into overdrive....bout to go out of my mind here...any suggestions?
#2
I'd pay really close to the "trans temp". Monitor it with a scan tool. Used to have a resistor to plug in the connector to "fool" the pcm so it would allow, but can't remember the resistance off the top of my head.
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Well...took it to a buddys shop and it took him all of 20 minutes to find a broken wire near the trans...ran a new wire and switch and now we have overdrive! Thanks for the input guys.
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