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Loud knock & Low RPM no power
Need help. 2005 3500 6.6. Started truck up and heard loud knocking and could only get around 900 rpms. Was fine when I parked it last night. So I changed fuel filter because I had been putting it off. Added 10 gallons of fuel because it was almost empty. Still have the knocking but now I can...- Elephantman
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- Forum: 6.6L Duramax Diesel
