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Thread: 3.0 TDI - vibrations and loud knocking after all injectors replaced

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  1. 3.0 TDI - vibrations and loud knocking after all injectors replaced 
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    LukeBiel
    LukeBiel is offline Stalled
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    Default 3.0 TDI - vibrations and loud knocking after all injectors replaced – 20-09-2019,01:01 PM
    Hello guys,

    All 6 of my injectors were replaced for new ones, but after the replacement the engine is not running as smooth as it used to. I can feel vibrations around 2k RPM (even on N) and I can hear pretty loud knocking sound from the engine (gets louder as the engine heats up). I checked engine faults on VAG and there was one:
    P0087 - Fuel Rail/System Pressure - Too low (sporadic)

    Could you please advise what could go wrong? Is one or more injector defective? How to determine which one?
    (176kW CDYA)
    Thank you in advance for your help
     
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  2. Re: 3.0 TDI - vibrations and loud knocking after all injectors replaced 
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    swalker
    swalker is offline 2nd Gear
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    Default Re: 3.0 TDI - vibrations and loud knocking after all injectors replaced – 21-09-2019,03:41 PM
    Sounds like it's sucking in air?
     
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  3. Re: 3.0 TDI - vibrations and loud knocking after all injectors replaced 
    #3
    LukeBiel
    LukeBiel is offline Stalled
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    Default Re: 3.0 TDI - vibrations and loud knocking after all injectors replaced – 26-09-2019,08:11 AM
    No, more like knocking.
     
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