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Gorgis2

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Everything posted by Gorgis2

  1. Gorgis2
    I notice the sound after a week after filling up the tank. The gauge registered half full.
  2. Gorgis2
    The sound begins after driving for about 4 miles when the engine temperature registers about 200 degrees.The outside temperature have been in the teens and 20s.
  3. Gorgis2
    As far as I can tell it is coming from the engine. As I accelerate the knocking sound gets faster. It reminds me of a sound I had in an older car years ago when I used a lower octane fuel.
  4. Gorgis2
    The sound begins after driving for about 4 miles when the engine temperature registers about 200 degrees.The outside temperature have been in the teens and 20s.
  5. Gorgis2
    The sound begins after driving for about 4 miles when the engine temperature registers about 200 degrees.The outside temperature have been in the teens and 20s.
  6. Gorgis2
    I have a 2021 GMC Sierra 1500 Denali Duramax 3.0 diesel with 13000 miles. I have been experiencing a knocking noise when I reach 20 mph and it continues to 40 mph. The dealership says they don’t hear a problem. Does anybody else experience this? Is there a fuel additive or oil additive that i should be using that may help? I’m new to diesels so suggestions would be appreciated.
  7. Gorgis2
    I have a 2021 GMC Sierra 1500 Denali Duramax 3.0 diesel with 13000 miles. I have been experiencing a knocking noise when I reach 20 mph and it continues to 40 mph. The dealership says they don’t hear a problem. Does anybody else experience this? Is there a fuel additive or oil additive that i should be using that may help? I’m new to diesels so suggestions would be appreciated.
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