Porsche Paramera tachometer jump

This may be caused by the following reasons:

1, electrical problems: Tachometer tripping may be caused by vehicle electrical system problems, such as insufficient battery power, poor circuit contact, sensor failure, etc.

2. Engine problems: Tachometer tripping may also be caused by engine problems, such as ignition system failure, throttle failure, fuel system failure, etc.

3. Mechanical problems: Tachometer tripping may also be caused by mechanical problems, such as tachometer failure, transmission shaft failure and clutch failure.