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  1. 6.4 Motor Problems
    Hey all, Just got my 2008 6.4 after getting deleted and upgraded pistons. Noticed a substantial knock on warm starts. It only gives about 4-5 knocks which you can hear on the video. After contacting the mechanic he said it was a "fuel knock". I am by no means savvy on diesel engines as this is...
  2. 6.4L Problems Forum
    I've tried looking around the other forums and couldn't seem to find a similar post. I have a 2009 F-250 6.4L and there is a random knocking that seems to come from the dash. I cannot figure out how to duplicate the issue, it just comes and goes. It makes the same knocking no matter if the...
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