18-007-13

MIL Illumination P0300 and/or Engine Runs Rough With Factory Fill Fuel This bulletin involves filling the fuel tank with an additional 5 gallons of fuel, driving vehicle, then completing several start/stop cycles. The vehicles involved in this bulletin may contain factory fill fuel that exceeds allowable Driveability Index (DI) levels. NOTE: A Service Porter will be able to complete all necessary repair procedure steps with the exception of Step 7. Only in situations where Step 7 is necessary, should vehicle be dispatched to a Service Technician to clear DTCs. The MIL lamp may be illuminated and upon further investigation the Technician may find DTC P0300 - Multiple Cylinder Misfire has been set active or stored. The Technician may also notice the engine running rough on initial startup (with or without the MIL illuminated).