Any advice would be great. Recently I noticed smoke coming from the exhaust of my 2017 plate Seat Leon FR when accelerating. This only happened when the car was warm. No signs of any leaks, no oil in the coolant, and the car is not overheating. If I let the car cool down, it stopped smoking and is fine on short journeys unless stood in traffic. I took it to the garage and after they took it out for a drive, it did the same for them once warm. They took the rocker cover off and it was full of oil and contamination. I have my car serviced every year. They flushed the system, replaced the rocker cover and put new oil and filters in. Everything seemed fine until I did a half an hour journey in which smoke appeared again once it was warm. I'm taking it back to the garage in the morning as I don't want to cause any damage when something is not quite right. Any ideas as to what could be the problem after having some work already done.
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