2001 330I with 157000 miles. Rough idle but runs smooth under power, check engine light shows P0174 (System too lean bank 2). Recent work, new spark plugs and new Mass Air Flow Sensor ( which corrected these codes P0300, P01345, P0171, P1349, P1347, & P0128. Any suggestions?
Wednesday, December 29th, 2010 AT 7:26 PM