Basically you need to query the manifold absolute pressure PID (0x0B), and also barometric pressure PID (0x33), then subtract barometric pressure from manifold pressure. If the result is positive, the ...

These codes are primarily for use with Torque Pro which runs on Android phones and tablets. Download https://github.com/peternixon/MG-EV-OBD-PID/archive/refs/heads ...