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Thread: Injector tar,,,,,

  1. #1
    Regular Member collyb's Avatar
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    Default Injector tar,,,,,

    hey guys,,,my 3rd injector has a mountain of tar,or coal like build up around the base of it,,,,is this just a simple washer replacment,,,???? and how easy of a job is it,,,,,and another thing,,,would this cause an engine light to appear on dash

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    Common fault the plug needs replaced with the updated blue ones. It hasn't caused you problems yet but will eventually start interfering with the injector signals - shutting the engine off or puting it into limp mode. Part is about £15 from the dealer and £60 for the dealer to do.

    Gazza4

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    Regular Member collyb's Avatar
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    is it the injector itself needs replacing or just the plug into it ???? and should all four be replaced,,,,??? i was under the impression that just replacing the copper crush washers that was under the injector would cure the problem ?????

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    No the injector is fine, its the plug that is bad.

    Gazza4

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    Regular Member collyb's Avatar
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    im fairly handy with the spanners gaz ....wud this be a diy type of job,,or is diagnostic equipment required ????

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    Quote Originally Posted by collyb View Post
    im fairly handy with the spanners gaz ....wud this be a diy type of job,,or is diagnostic equipment required ????

    Soldering - there is a how2.

    On your other thread however I noticed you have mentioned that cylnder 3 is leaking compression - there is another fault there then.

    Gazza4

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    Regular Member collyb's Avatar
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    nice one gaz,,,,would i replace the copper washers aswell as the plug ??? sorry for all he questions mate

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    Quote Originally Posted by collyb View Post
    nice one gaz,,,,would i replace the copper washers aswell as the plug ??? sorry for all he questions mate
    Tbh m8 I ain't 100% but don't do any work with ignition on or engine running, the pressure of the rail (28,000psi) is enough to sever limbs.

    Gazza4

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    Regular Member collyb's Avatar
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    hahaha,,trust me mate,,,keys will b out and battery leads takn off,,,,i will tackle it this weekend i think,,,will pick up the blue plug from the dealer this eve,,thanks mate

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    Quote Originally Posted by collyb View Post
    hahaha,,trust me mate,,,keys will b out and battery leads takn off,,,,i will tackle it this weekend i think,,,will pick up the blue plug from the dealer this eve,,thanks mate
    Personally I wouldn't mess with the fueling system, period. I would do have a go at other problems on the car but no anything there. I'm not too sure if the pressure is residual or not if the engine off - so I would make sure first anyway.

    Gazza4

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