Audi A4 3.0 cabriolet 2002 75000 with the rpm jumping 200 to 300 revs between 1300 and 1800 in any gear above 2000 rpm and its perfect anyway took it to a garage and they changed the temp sensor cleaned the maf fitted new coils and plugs also cleaned the throttle body ,there are no dash lights on and when tested no faults showing all this done and revs still jump every 5 seconds ,any ideas .looked at previous threads and they may suggest itâs the multitronic and oil but threads ran from 1 to 33 and stopped there would love to know the outcome of the previous threads regards Mick