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  1. I

    Ram App / Guardian / Vehicle Health Report

    In September I foolishly tried a 2 month trial for $1. I tried to cancel the automatic renewal but was disconnected after listening to their pitch. So I called back, got through the pitch again, was told I would receive an email confirming my cancellation. Never received the email and...
  2. I

    Are the lubricity additives working? Are CP4 failures occurring anyway?

    Just found this great video today. It shows a blown CP4 being disassembled at what looks like a factory. The comments are in Italian .
  3. I

    Are the lubricity additives working? Are CP4 failures occurring anyway?

    I've used Diesel Kleen intermittently but will be more vigilant going forward. However, if the plunger rotates I don't think an additive will help.
  4. I

    Are the lubricity additives working? Are CP4 failures occurring anyway?

    Yep, seems like the plunger rotation might be the root cause.
  5. I

    Are the lubricity additives working? Are CP4 failures occurring anyway?

    We have a 2020 3500 and scheduled a 4 month road trip with our trailer this year. However, it looks like the CP4 issue will be not resolved by our planned mid March departure. Losing power in the mountains or getting stranded in the desert has me clenching my jaw? :mad: Thanks
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