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  1. #1
    Senior Member One Ring RedaudiA4's Avatar
    Join Date
    Dec 07 2006
    AZ Member #
    14047
    Location
    Westport, CT

    Audi A4 1.8T Fuel Pressure Regulator Problem

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    Hey Audiziners,

    I first want to start by thanking everyone belonging to this community who has enabled so many of my small problems in the past to be fixed. However, I have looked all over the place for assistance with a problem that I seem to be having with my fuel line. I took my A4 to the Audi dealership and they told me it is the fuel pressure regulator. Basically what is happening is every time I turn on the car it emits a whining sound as if the Fuel pump is not operating at its optimum output. I feel no change in performance and I think that the Pressure Regulator has malfunctioned and is now causing this high pitched noise. Has anyone else experienced this problem? The real problem now is that I cannot locate the FPR and everyone says it is near the firewall and I do not see it! Furthermore, when I look up the part to replace it 2004 seems to be a gap year between 2003 and 2005... whats the deal with that? Is the 2003 FPR the same as the 2004? I assume it is but I wanted to locate it and look at it before I purchases it online versus buying it from the dealer. Please if anyone can help me locate it or provide me with a picture because the ones currently online are not helpful I would greatly appreciate it. THANK YOU.

  2. #2
    Veteran Member Four Rings dougyfresh's Avatar
    Join Date
    Dec 03 2005
    AZ Member #
    9070
    My Garage
    audi, chevy, subaru, lots and lots of bicycles
    Location
    connecticut

    The FPR is built into the fuel filter. Your issue is probably a clogged fuel filter.

    It resides (on a quattro A4) under the passenger rear seat. Crawl under the car and you can see it just infront of the gas tank on the passenger side. $40 for a new filter and about 10mins worth of work. Should be the same for all B6 A4 1.8TQM.
    -Doug



    2001 A4 Avant [stockish]
    2002 A4 Avant [in pieces again]

  3. #3
    Veteran Member Four Rings old guy's Avatar
    Join Date
    Dec 28 2006
    AZ Member #
    14483
    My Garage
    '09 CC VR6 Sport
    Location
    Western Maryland

    Fuel filter DIY: Clicky click

  4. #4
    Veteran Member Four Rings A4SoftWalker's Avatar
    Join Date
    May 13 2008
    AZ Member #
    28744
    My Garage
    02A4 1.8TQMS, 05V70R, BMW535i
    Location
    NoCal - EBay

    Wow talk about getting the run-around & trying to scare the crap out of you ... Yeah our fuel regulators are built into the fuel filter.
    'SOFTWALKER MODS
    Do u have the Bentley or Dealership Manual & Tools it takes to work on YOUR car properly? Or...
    Are u just going to continue to wing it & keep expecting manna to fall from AZ?
    Apikol>Snub/Diff APR>ExhTIP-TB hoses,Stg3 AWE>DV
    JHM>ShortShift-the works
    Misc> 18x8x9 235/265;HSport S4 barsTT225;Bosch-F6DTC;CarbonioV2+V6Intake Inlet;HFC;Podi-P2;ATP mani;GPopK04;034mounts
    SPEC>Stg3+,LWFW
    STaSIS>328/305mm,40/60,SL
    Personal Motto>Walk Softly Carry a Big Stick

  5. #5
    Senior Member One Ring RedaudiA4's Avatar
    Join Date
    Dec 07 2006
    AZ Member #
    14047
    Location
    Westport, CT

    Gents - I just ordered the replacement from ECS. You are all awesome and it is incredible to have a forum with such knowledgeable and helpful comrades.

  6. #6
    Senior Member One Ring RedaudiA4's Avatar
    Join Date
    Dec 07 2006
    AZ Member #
    14047
    Location
    Westport, CT

    GENTS - I finally got the replacement filter and now I am dealing with the clips with are a pain in the ass - do you seriously just have to push in on both sides and PULL? There is not trick to it?

  7. #7
    Veteran Member Four Rings dougyfresh's Avatar
    Join Date
    Dec 03 2005
    AZ Member #
    9070
    My Garage
    audi, chevy, subaru, lots and lots of bicycles
    Location
    connecticut

    -Doug



    2001 A4 Avant [stockish]
    2002 A4 Avant [in pieces again]



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