SSM 46391

SOME 2017 F-SUPER DUTY, E-SERIES, F53 MOTORHOME, F59 CHASSIS, F-650/750 VEHICLES EQUIPPED WITH A 6.8L ENGINE WITH AN ENGINE BUILT ON 10-SEP-2016 AND THROUGH 15-FEB-2017 MAY EXHIBIT MULTIPLE MISFIRE DIAGNOSTIC TROUBLE CODES (DTCS) P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0306, P0307, P0308, P0309, P0309 AND/OR P0310. THIS MAY BE DUE TO AN UNDER TORQUED CRANKSHAFT PULLEY BOLT. BEFORE ATTEMPTING ANY DIAGNOSIS OR REPAIRS, SUSPECT UNDER TORQUED CRANKSHAFT PULLEY BOLT AS THE ISSUE.