got a code yesterday cant rember what it was
pointed me at a intake leak CTS MAF

no leak stripped and checked
CTS ? nothing strange on gauge
MAF 3 mth old oem audi part

RPM bouncing at idle
very bad fuel use was down to 17MPG driveing on mway at 70/80 on a run like that i normaly around 29/33 MPG
any ideas