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New exhaust manifolds quit on road test now no start
Posted to HD/Fleet Forum on 7/24/2017 5 Replies

We have 6.7 Powerstroke that we replaced manifolds on for exhaust leaks and a complaint of low power. The truck hauls pretty heavy and the lack of power was quite significant. Prior to the manifolds, the codes present were a "low boost" and a DEF heater code. ... Login to read more.

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car Vehicle Data

2012 Ford F-550 Super Duty Lariat 6.7L No Start

Engine6.7 L
Trans6-speed Automatic (Electronic)
SymptomsNo Start

car Vehicle Data

2012 Ford F-550 Super Duty Lariat 6.7L No Start

Engine6.7 L
Trans6-speed Automatic (Electronic)
SymptomsNo Start