Overdrive? TPS? Speed Sensor?
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Overdrive? TPS? Speed Sensor?
I asked a similar question recently but I may have misunderstood the answers I got. I'm going to rephrase the question...
My truck is having trouble shifting into (and dropping out of) Overdrive. I did a search and read some posts but I am a diesel-novice and need a little guidance. My truck is a '92, auto trans. The speedometer is reading correctly (no bouncing) and, except for overdrive, the tranny is shifting normally.
Do I need a new Speed sensor? A new TPS? What do you suggest?
My truck is having trouble shifting into (and dropping out of) Overdrive. I did a search and read some posts but I am a diesel-novice and need a little guidance. My truck is a '92, auto trans. The speedometer is reading correctly (no bouncing) and, except for overdrive, the tranny is shifting normally.
Do I need a new Speed sensor? A new TPS? What do you suggest?
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I just finished fine tuning my o/d shifting. do a search on TPS adjustment and all the info you will need is there, its easy. there is a few different reasons for the shift oddities, fliud temp, and TPS settings.
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From: Stony Plain Alberta Canada
Before I threw the auto to the junk yard, I would unplug my tps and clean the connections with some electronic cleaner. Sometimes just unplugging and plugging it back in would cure it for a while. Never replaced it because of the cost and the plans to install a 5-speed.
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