Moderator: volvite
X2 bank one is always where the number one sparkplug is located. Change the other O2 and u should be good to go.slopoke wrote:Bank 1 is the passenger's side of the vehicle, Bank 2 is driver's. Also sjm is right there are multiple TSBs regarding this. depending on the VIN you may also need to have the ecm reflashed with the latest calibrations. edit: TSB#NTB01-048A from Mar 13 2002