I Have multi misfires, engine runs ruff, loses power and activates check engine. on 2002 Mercedes-Benz ML320

I retrieve codes and this is it: P0300 Random misfire, P0306 Cyl#6 misfire, P0305 Cyl#5 misfire, P0304 Cyl#4 misfire.

by in Winnetka, CA on January 20, 2013
2 answers
ANSWER by on January 21, 2013
These cylinder's are all on the driver's bank of the engine. The problem is probably a failed catalytic converter on that side. Need to have the pressure on that side tested but I would believe the catalytic on that side has failed. http://images.search.yahoo.com/images/view;_ylt=A0PDoYBJUP1QVx4AYBGJzbkF;_ylu=X3oDMTBlMTQ4cGxyBHNlYwNzcgRzbGsDaW1n?back=http%3A%2F%2Fimages.search.yahoo.com%2Fsearch%2Fimages%3Fp%3D2002%2Bmercedes-benz%2Bml320%2Bcatalytic%2Bconverter%2Bexhaust%2Bsystem%26n%3D30%26ei%3Dutf-8%26fr%3Dyfp-t-701%26tab%3Dorganic%26ri%3D2&w=640&h=480&imgurl=www.lgauto.ca%2FMercedes%2FDSC06752.JPG&rurl=http%3A%2F%2Fwww.lgauto.ca%2Fcatalyticconverters.html&size=85.3+KB&name=Auto+Exhaust+Experts+-+Catalytic+Converters&p=2002+mercedes-benz+ml320+catalytic+converter+exhaust+system&oid=aef5e0b381eedee2be4297731779b899&fr2=&fr=yfp-t-701&tt=Auto%2BExhaust%2BExperts%2B-%2BCatalytic%2BConverters&b=0&ni=112&no=2&ts=&tab=organic&sigr=11d9rkpqc&sigb=14mhtbfc4&sigi=113qjvcq3&.crumb=XSu6yDnkqfu
ANSWER by on January 21, 2013
agree seek diag and est