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Discussion Starter · #1 ·
My check engine light went off while I was driving along with my transmission light. My tranny was stuck in third, wouldn't shift higher or lower. Then I tried to put the car in park and the light indicating it was in park was not lit. Now I went to the dealer and they say it is some sort of sensor that will cost $334.00 to replace. Does anyone have any idea of what type of sensor it is and how I would go about installing it myself? $334.00 is alot of money to spend and if I can do it myself I would prefer that. Thanks
 

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Whats the code?
there are a couple of different sensors that will lock it into 3rd.
Find out the code and post.
 

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Discussion Starter · #3 ·
Ok, the code is P0715. Luckily the mazda dealer did not erase it and I went to autozone to have them check. Apparently it can either be a faulty input turbine speed sensor OR a pulse generator sensor. I have found how to replace the speed sensor, but now I need to find a place to buy one. Maybe I should test it out first before replacing it, does anyone know how to test it? What about the pulse generator sensor?
 
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