Some 2011-2012 Ford F-53 Motorhome Chassis and F-59 Commercial Chassis equipped with a 6.8L engine and built on or before 6/1/2012 may exhibit the MIL illuminated and DTC P2270 stored.

Using IDS scan tool, retrieve all continuous memory DTCs. Is P2270 present? If yes, replace only the affected catalyst monitor sensor as indicated by the P2270 – Bank 1. If no, refer to the powertrain control/emissions diagnosis manual for normal diagnosis.

P/N................................................PART

F85Z-9G444-BAFC.......Catalyst monitors sensor

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