Misfire codes and oxygen sensor code
#1
Misfire codes and oxygen sensor code
Hello, so I bought my wife a 2008 mini cooper s to commute to school. The car has 85000 miles on it and is pretty clean. When I got it home I replaced a leaky vacuum pump. The new pump is holding with no leaks. I cleared an oxygen sensor code and ran it. All of a sudden it started running rough and threw codes po300 ,301,302,303,304 plus the po13e again. I have sprayed for vacuum leaks with no success. I checked all connections I see no issues. I replaced the oxygen sensor and still have a rough idle and misfires. I ran live data and oxygen sensor are at 1.3 each in spec. Any ideas what I may have hit or disturbed during the the vacuum install or oil change. Thanks
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