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Q: Dodge 3500 Diesel running sluggish on 2003 Dodge Ram 3500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
the problem started yesterday - infrequently, the vehicle seems to loose power and runs very rough - replaced fuel filter yesterday was running rough before we replaced the fuel filter and continues to run rough after the fuel filter was replaced.
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Fuel filter might be clogged, and/or the initial fuel pump might be failing. Filter first, and this should be changed every 50,000 miles or less preferably.

I learned the hard way on this initial pump thinking that there was just the injector pump.
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