What is the reason why Mazda Yi Rui doesn't upgrade?

The reasons why Mazda Yi Rui does not upshift are: improper adjustment of throttle cable or throttle position sensor; The governor is faulty; The governor oil circuit is seriously leaking oil; The speed sensor is faulty; The high-speed clutch is faulty; The shift valve is stuck; The gear switch is faulty. Take 20 15 mazda 6 Yi Rui Auto Elite Edition as an example. Its body dimensions are: length 4755mm, width 1795mm, height 1440mm, wheelbase 2725mm, fuel tank volume 64l, curb weight 14 13kg. 20 15 mazda 6 Yi Rui Auto Elite Edition front suspension is a double wishbone torsion bar independent suspension, and the rear suspension is a multi-link independent suspension. It is equipped with a 2.0l naturally aspirated engine, with maximum horsepower 147ps, maximum power 108kw and maximum torque 184nm, matching the 5-speed automatic manual transmission. Million car purchase subsidy