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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
    2 pedals 1FG
    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
    2002 A4 Avant EPL tuned 2.7T K04 6spd

  3. #3
    Veteran Member Four Rings old guy's Avatar
    Join Date
    Dec 28 2006
    AZ Member #
    14483
    My Garage
    '13 A5, '24 Tiguan SEL R-Line
    Location
    Western Maryland

    Fuel filter DIY: Clicky click
    '03 A4 5-MT Motoza tuned Frankenturbo F21L With full supporting mods. Sold (and missed dearly).
    '13 A5 6-MT Needs more Fun Stuff: Neuspeed PM / 3.0 TDI Intercooler / H&R OE Sport Springs / Bilstein B8 Shocks / TyrolSport Brake Stiffeners / ECS Short Shifter / S5 Side Skirts / RS Grille

  4. #4
    Veteran Member Four Rings A4SoftWalker's Avatar
    Join Date
    May 13 2008
    AZ Member #
    28744
    My Garage
    Avant 03A4 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 a Bentley/Dealer Manual & Tools to work on UR car properly?
    Hit-or-miss expecting manna to fall from AZ?
    Personal Motto>Walk Softly Carry a Big Stick. YEAH I'M BACK!
    BUILD? Click & be Amazed!
    Avant>Sedan! Click

  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
    2 pedals 1FG
    Location
    connecticut

    -Doug
    2002 A4 Avant EPL tuned 2.7T K04 6spd

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