Loud high pressure fuel pump

  1. WhatTheFun

    WhatTheFun Knows some stuff

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    I have been struggling with rattles on this car, but the latest seems to be the high pressure fuel pump getting louder. I have 33k miles on the car in the last 12 months.

    Anyone else experiencing this?

    If it wasn't for the rattles in this car, the NVH is actually decent.
     
    MauiCivic thanked this.
  2. dblshock

    dblshock Senior Member

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    on a full tank of fuel add 2.5oz. TCW-3 oil, that has been known to quiet that and DI clatter..many other benefits beyond as well, I've run it 5,000mi. in the civic and 60,000 in my Toyota..all good
     
  3. dblshock

    dblshock Senior Member

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  4. MauiCivic

    MauiCivic Member

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    Are you referring to the 2-cycle Marine oil used for outboard motors?
     
  5. Snoopyslr

    Snoopyslr Senior Member

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    Yes he is...:crazy:

    Don't listen to anything @dblshock says... He's running 5w/40 diesel oil in his car and calling it an upgrade. If you want to see how nuts the dude is, check out his thread "Upgraded to 5/30". Dbl, keep your insanity bottled in just one thread please.

    What is the sound your hearing? Is it the pump whining or is it the injectors ticking? Windows up/down? Engine bay or fuel tank? It's really sad... it seems the only people I see having issues are all Touring owners.
     
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