There are several diesel engine tips maintenance tips to know, and one is to replace the fuel filter every 10,000 to 25,000 miles. Read more: 15 Popular Oil Filter Brands, Ranked If your truck ...

clogged fuel filter, bad supply or lift pump, failing injectors, and so on. Specifically, a diesel engine with a bad CP4 pump could misfire, be hard to start, exhibit hesitation upon acceleration ...