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  1. F

    Weird OBD2 Scan Tool Data

    I would appreciate any feedback on this issue. I have a 1997 4.0 OHV that is throwing P0171 and P0174 codes, and the scan tool data is unusual. Looking at OBD live data, the STFT and LTFT both show -100.0 for bank 1 and 2. Not changing with time or RPM. Also, O2 sensors are registering 0V...
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    Check engine light on. Code reading P0715

    Hey good people.. This code is saying that the input turbine speed shaft sensor is malfunctioning. Would this particular code make the transmission buck shifting between 1st and second gear? I went to auto zone. And they sold me a vehicle speed sensor which was incorrect. A place I will no...
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