on May 5, 2015, 7:13 pm, in reply to "Re: insignia P2282 symptom 51 loss of power"
Or it's getting air from some-where else.... EGR perhaps. Can you blank it, to confirm it's not over-opening or affecting the figures?
As I don't know the engine, has it got a throttle body? Is that opening correctly/smoothly and not restricting flow?