Had to reset the computer in the car. Remove positive battery lead. Re-connect lead turn on ignition ( don’t start engine ) leave it on for a couple of minutes to let everything reset. Turn off ignition. Turn back on Bingo Bango Bongo, Boost gauge is back

Hope this helps.
George

 

Cool thanks but seems I did this beforehand, the Durametric keeps saying I am not with a 996 cluster lol