Vauxhall Insignia Throttle Body Problems

Whistle noise then loss of power service light comes on . Put on machine comes up with code p2282 ,air leak between throttle body and intake valves

Since having the car, 2 years, the choke has never worked properly. As the choke shut off the car stalled.It always started again and was fine once warmed up. Recently i've had the head gasket replaced along with the cam belt. After this th...

when slowing down , revs build up & engine feels like there is a blockage but then it seems to push through