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With up to 400 horsepower, the 6.7-liter inline-six Cummins has an electronically controlled high-pressure common rail fuel system. Through 2018, the engine had a maximum injection pressure of 26,000. Maximum pressure increased to 29,000 psi for 2019, when the engine received an updated fuel injector design. +Read more
However, while this generation of Cummins turbo-diesel engine can be reliable overall, it’s not immune from fuel injector issues. 6.7 Cummins fuel injectors can fail due to poor fuel quality and inadequate fuel filtration. Symptoms of bad fuel injectors include power loss, no start, fuel in oil, and excessive smoke.
ProSource Diesel offers the cleaners, additives, and 6.7 Cummins injectors you need to keep your truck running optimally.
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