潍柴国六天然气发动机故障码SPN1659FMI是啥故障?光有SPN是不能定位准确故障的，还得有具体FMI值。
3520 Aftertreatment 1 Diesel Exhaust Fluid Properties Preliminary FMI 3521 Aftertreatment 1 Diesel Exhaust Fluid Property 3522 Aftertreatment 1 Diesel Exhaust Fluid Tank Level Preliminary 3522 Aftertreatment #1 Total Fuel Used 3523 Aftertreatment #1 Total Regeneration Time 3524 Aftertreatment #1 Total Disabled...