I can hear what sounds like a boost leak coming from the solenoid block, i cant pinpoint any other leak and had a smoke test done. Mpg gone down n loss on power. Done mr muscle on the turbo, actuator works fine, what could it be?
Hi @Louis Scott - and Audi or a BMW? Assuming Audi - have you checked the DV valve which can split on high mileage or high boost cars - your DV valve, assuming your car has a turbo could be at the front by the radiator or at the back bolted to the turbo.
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