Question about 1993 Oldsmobile Achieva
I have a 1993 Olds Achieva and it will not shift gears. I have changed the tranny fluid, filter, and gasket. Did not help...I want to know what sensors it has on the transmission and if these could be what is keeping it from shifting...I know that there is a speed control sensor on the top of the trans axle. What else could keep it from shifting..where do I start troubleshooting...
Had this problem when I rebuilt my engine. Turns out, that I had plugged back in a sensor that was previously unplugged. There is a known manufacturer's defect on some Achievas where a sensor on the transmission was mounted upside-down. Symptoms caused by this are primarily the car staying in gear (and thus stalling) when stopped, and failing to downshift while slowing down. Just unplug this pesky sensor, located roughly underneath and to the battery side of the throttle body. Be careful, though, because I don't know if running long term in this configuration will lead to transmission damage (although my transmission doesn't show any signs of troubles now that the thing is disconnected.)
Posted on Jul 22, 2009
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Posted on Jan 02, 2017
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