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I have an 07 civic auto with 140kms that has a transmission code for the turbine speed sensor input, the car clunks hard when shifted into drive or reverse and takes a long time to shift into high gear. Has anyone replaced this sensor? where is it? internal or external ? or should I just drop another trans in it, $800 for a low millage trany from a junkyard.
Thanks in advance for any advice or help.

 
Rep Power: 235

The service manual says that code is electrical NOT mechanical so, replacing the tranny will do no good. The sensor should be right on top of the tranny, it's a 2P connector. Check the fit and if it's ok then ohm it out. You should get 400-600 ohms. If you don't get 400-600 ohms then replace the sensor.

 
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Thanks for the info, I think i solved my problem, i changed the trans fluid a couple times and the code hasnt come back and it now shifts great. I guess i should pay more attention to maintaince schedules.

 
Rep Power: 235

lol. We've all done it. Lesson learned. Good thing it wasn't too costly.