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Thread: Starting issue

  1. 10-15-2019 10:06 AM #1
    marcusfarcus
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    Starting issue

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    I have an 06 Audi A4 2.0t FSI and I’ve had an issue with the fuel system keeping compression. When the car is cold, it can take up to 10 minutes to get the fuel pump to get enough compression to even hear it prime from the front seat. I’ve replaced the cam follower, evap module, fuel filter, and I’m stuck. Anyone have this issue before or even some advice?
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  2. 10-15-2019 10:39 AM #2
    Stazi
    Stazi is offline
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    My Garage
    2012 Audi A4 S-Line, 2019 Jeep Grand Cherokee Altitude 4x4, 2017 Moomba Craz
    Location
    Michigan

    Low pressure fuel pump may be bad


    Sent from my iPad using Tapatalk
    2012 Audi A4 2.0T S-Line
    K04 // IE Stage 3 K04 tune // USP HFC // Becker Cat-back // ECS Intake Pipe (w/modded airbox + K&N) // ECS Luft-technik FMIC Intercooler and pipe kit // GFB VTA // RS mesh grille // CF M4 style spoiler // ST rear sway bar.
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  3. 10-15-2019 03:24 PM #3
    marcusfarcus
    marcusfarcus is offline
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    Quote Originally Posted by Stazi View Post
    Low pressure fuel pump may be bad


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    Is there any way to test it or is it worth it just to buy a new one since it’s at 145k


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  4. 10-15-2019 03:42 PM #4
    Stazi
    Stazi is offline
    Veteran Member Three Rings Stazi's Avatar
    Join Date
    Aug 27 2019
    AZ Member #
    516771
    My Garage
    2012 Audi A4 S-Line, 2019 Jeep Grand Cherokee Altitude 4x4, 2017 Moomba Craz
    Location
    Michigan

    You can check the duty cycle using VCDS.


    Sent from my iPhone using Tapatalk
    2012 Audi A4 2.0T S-Line
    K04 // IE Stage 3 K04 tune // USP HFC // Becker Cat-back // ECS Intake Pipe (w/modded airbox + K&N) // ECS Luft-technik FMIC Intercooler and pipe kit // GFB VTA // RS mesh grille // CF M4 style spoiler // ST rear sway bar.
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