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O/D off light flashing in Mazda MPV 2003

shegzyshegzy nigeriaPosts: 1
edited September 2018 in Mazda
i have a mazda mpv 2003, the gear had been jerking at 2RPM since purchase as a used imported vehicle, but it started showing O/D off light flashing some days ago , and the transmission is behaving funny, experiencing slowdown at 2& 3 RPM along the jerking which is more pronounced now , even after changing the fluid. Codes PO328 and POO31 HO2S, but a car electrician inspected it thoroughly and said one fuse in the valve body of the transaxle is bad saying its better to get a new transaxle.What do u advise?

Answers

  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    edited December 2018
    The codes you listed have nothing to do with the transmission, so there should be more codes. The codes you listed are just generic, not transmission specific.

    Perhaps a different type of scan tool will be required to access the TCM or PCM.

    It sounds like you also have a bad knock sensor, possibly a bad 02 sensor (probably not, though), some wiring issues, or maybe even a bad PCM.

    This problem requires expert and methodical diagnosis. It's hard to know if you have engine or transmission problems here.


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