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  1. 03-06-2017 02:10 AM #1
    LowTone
    LowTone is offline
    Established Member Two Rings
    Join Date
    Feb 28 2017
    AZ Member #
    394349
    Location
    Eastern Europe

    LPFP/Lift pump noise

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    I get this humming/whistle which varies in tonality from the fuel tank. Anyone had this problem? I also have some pictures (no screenshots, sorry) of fuel pressure values and a video of the noise.

    It's driving me crazy. It's pretty loud in the car.

    https://vid.me/Ff1Z


    http://imgur.com/a/DHjk7
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  2. 03-06-2017 11:48 AM #2
    Okedokey
    Okedokey is offline
    Veteran Member Four Rings Okedokey's Avatar
    Join Date
    Oct 24 2015
    AZ Member #
    363505
    Location
    Perth, WA

    Punmp is dying or blocked. Remove it and check there is no obstruction or replace.
    A4 B7 2.0T | HPFP upgrade + FMIC | BSR Stage II + exhaust + HFC | 3.0TFSI Throt. Body | RS4 fuel contr., PRV + S3 inj., G247 + DW300c | GFB DV+| 034 RSB + all arms and mounts | S4 brakes | B12 Bilstein suspension + H&R springs | RNS-E + Polk Audio PA D5000.5 - 4 x DB6502 + DB840DVC sub + Pioneer 10" sub | LEDs throughout | 19" Audi 2015 RS4 rims

    My respray thread
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