I have a 1999 disco with P0734 code. What is the fix for this problem? Does it need a new speedometer transmiter? Thanks gil.

 

Gil, does your speedo work? Usually this problem comes from a faulty mass air flow sensor. The generic scanner you are using is not picking up the proper code, so it throws this fault . The sensor is less than 100.00. Let me know if you need more help. Thanks, Rusty Owens HR Motorcars