ok i have a 1996 bmw 328is its threw a code saying miss fire from the 4th cylinder i
baught a new coil pack and spark plugs and erased the code now its tossing a p0173 fuel
trim and it will start but runs like crap any ideas on what it could be
http://www.obd-codes.com/p0173 -- check this out. Also check for vacuum leak. Could you have pulled something loose by mistake?
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