What are the most common problems with the 6.7 Cummins engine?
Some of the most reported issues with the 6.7L Cummins diesel include EGR valve and cooler failures, DPF (Diesel Particulate Filter) clogging, turbo actuator problems, and fuel system wear. These are often linked to emissions components and can be more noticeable in trucks used mainly for short trips or light-duty driving.
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