White or blue smoke may indicate an oil spill on the engine. If you've recently changed the oil in your mower and the engine is emitting white or blue smoke, it's possible that some of the oil. 2021. 12. 8. · 1. Clean the carbon buildup. Since carbon buildup is one of the main causes of turbo engine problems, you must perform regular clean-up to your engine if there are plenty of available commercial products that could help you clean the engine yourself without needing a professional so you can save a ton on labor costs. 2. Block the cracks in your walls. Yep, that too. Using calk to cover and seal the cracks and/or holes in your walls will give the smoke another place to redirect from. If you’re uncomfortable or unable to use calk, you can try using painter’s.