Please help, I press throttle down when car is up to temp, the car takes off like normal for the first few seconds maybe till about 80mph then it will Jult and then power loss like the turbo isn’t engaging/car just don’t want to go as fast as usual? (It’s defo nothing to do with the turbo) ive...

Hello My 2013 a250 w176 when you to temp and I floor it/accelerate after a few seconds the car does a slight July and looses power? I’ve heard it could be something to do with crankshaft sensor? few months ago I did have my water pump replaced due to a leak. any help please?