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Thread: Juddery fault update!!

  1. #1
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    Default Juddery fault update!!

    Hi all and thanks for the advice so far. now for an update. (1.9CDTI 120)Last night i replaced the EGR valve with a new one and replced the Boost pressure sensor aswell. took it for a wee quick run last night.
    took it for longer run today and symptoms seem to have somewhat gotten better. the juddery/ jerky fault is sometimes noticable but is about 75% much better.
    While i was doing EGR valve last night i took off the valve thingy at end of intake manifold and the port from EGR valve was well choked up about 60%. so i cleaned it all out. (is a butterfly valve in it and an electrical box on base of it??) so rrefitted and tested.
    today i also gave engine a good high rev run aswell to see if it helps.

    so i might try the 3 rd injector fix next!!
    any more ideas??

    thanks

    Ian

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    Default update 21/08/09

    well last night i got and air filter and the 3rd injector plug kit from the stealers in Perth.
    I decided to change the air filter last night and see what it was like today.
    Well i got a shock!! the engine runnning smooth again and the juddery fault between 200 and 300 rpm has gone!!!
    surely just changing the air filter couldnt of done that??
    old filter didnt look bad to me.
    Anyway, am holding off on the 3rd injector plug and run car more to see if it still is ok or if it comes back. will let you knows
    ian

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