21L04

Certain 2020-2021 Model Year Transit Vehicles Equipped with a 3.5L Ecoboost Engine - Fuel Filler Door E85 Label Removal .In all of the affected vehicles, the fuel tank filler door may incorrectly have an E85 fuel label installed on units that are not rated for E85 fuel. The use of E85 fuel in vehicles not rated for E85 fuel may cause a lean condition along with a Malfunction Indicator Lamp (MIL) and a P0172 Diagnostic Trouble Code (DTC). Continued driving with E85 fuel may lead to drivability symptoms including hard to start, rough idle, stalling, hesitation, surging, or lack of power.