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February 20, 2017 Service bulletin

Some 2017 f-super duty, e-series, F53 motorhome, F59 chassis, F-650/750 vehicles equipped with a 6.8L...

Ford technical service bulletin SSM 46391 for 2017 Ford F-250 SD, 2017 Ford F-350 SD and 2017 Ford F-450 SD and others.

Bulletin number
SSM 46391
Component
Equipment
Summary
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.

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