Service bulletin - The MIL comes on with DTC P0300 (random misfire detected) and/or P0301-P0306 (cylinder misfire detected) or
P219A/B (air-fuel ratio variation of cylinder (bank 1, rear bank/bank 2, front bank). The injectors were installed improperly at the factory and/or contamination was introduced to the fuel system that is affecting the fuel flow.
