Diesel 350 stuttering only when towing

Asked by mealgenie Aug 27, 2018 at 01:47 PM about the 2009 Ford F-350 Super Duty

Question type: Maintenance & Repair

My F350 runs great, climbs inclines and all without
the RV attached. When it is, upon needing power it
stutters and nearly stops. Weight should not be an
issue.

1 Answer

43,800

When talking about power loss in diesel trucks, the first thing that comes to mind is fuel filters. They are pretty easy to replace and that should be done at regular intervals. Some semi trucks I worked on will also had a water separator that should be serviced at the same time. If you experience power loss in freezing weather, that can be moisture or waxing of fuel...add lots of kerosene for waxing (gelling). Also check your air filters. Those beasts consume lots of air and fuel. It's probably nothing serious. Diesels are simple and tough.

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