Ricochet
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Posts posted by Ricochet
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Hi I have a 2004 x3 3.0 l petrol I have engine light on and diagnostic says running lean bank 1 and bank 2 I have replaced all o2 sensors and then reset fault codes light goes out for about 70 miles then same fault ones back any ideas on what's wrong many thanks Ray
Fault codes
in BMW X3 Series Forum
Posted
It's a bmw scan tool with live data I did wonder if there was a vacuum leak somewhere it does have a small oil leak nothing major so will check inlet manifold and hoses suppose I was hoping it was sensor thanks for advice Dave