The # 2 cylinder has a 70% leak. Could this be caused by the camshaft oil seal. on 2009 Mercedes-Benz E350

fault codes 0632 missfiring and 0652 missfireing cylinder The plugs were R&R and the coils were switched on 1 and 2 .

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1 answer 2 comments
70% leak of what? .Compression? Valves aren't closed or rings are bad.
sorry the leak is on the down stoke.
what's it leaking ? Blinker fluid?