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I posted this over in engine management and tuning, then discovered this sub forum, and thought it was better suited here. I recently acquired a 2010 Mazda 3 2.0 automatic with a fried engine. I installed a used engine and all is well except I have a code p0720-output shaft speed sensor...

Hi all, I'm new on here and am hoping someone can help me with a code. I acquired a 2010 Mazda 3 with a fried 2.0 litre and automatic. I put a used engine in it and all is well except I have a code p0720-output shaft speed sensor circuit. The previous owner tells me there was no code before. I...