Hello people have a big problem at the moment I have a c4 2,8l he needs quite a lot of sprite and also after about 20 km when I stand at the traffic light he smokes from the exhaust as if he is cold is not normal at almost 20 degrees air-them repair or ? New candles in new air filter in the penultimate end pot is a thumb-size hole can be the trigger? then I still have what and indeed if I start the car in the cold condition then the hydrostössels in the left zylind he about 2 km long then it’s end what can that be ? had he not until recently oh yes car has 321 000 km on it gruss klaus