hi everyone i have a ford focus 1.6 zetec se 2002 model its dun just over 110000 miles i decided to change the air filter because it was running lumpy and well guttless,i noticed that the air box was covered in oil witch i found out the oil was coming from the rocker cover breather hose,
i have changed the crankcase breather valve and hose witch was nakerd but my problem persists (poor idle ,loss of power,oil leak witch mean my gearbox is filthy,it also cuts out when i approach traffic light or i need to stop and it also can be a struggle to start please help me asap