Question about Ford Super Duty
Motorhomes are notorious for high heat buildup in the engine areas. There is normally not enough air flow in and around the engine which causes this condition.
My immediate thought is that the engine might be having a fuel heating problem. If fuel heats up too much, it turns to a vapor and then the injection system cannot perform its job. Look for some flexible, metallic insulation at your parts store and see if insulating the fuel lines from where they enter the engine compartment up to the injector rail provides any relief. I assume that at this point, fuel pressure has already been tested and found to be adequate.
Posted on May 03, 2010
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Posted on Jan 02, 2017
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