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Model specific boards => Golf mk4 => Topic started by: mike_j_b on 13 July 2010, 00:18
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hi there can anyone help or give advice
i have an a3 1.8t ( boo hiss i know) with an aum engine . i recently had it remapped by r-tech . after the map had a small issue with boost dropping off fast . it spikes around 17psi and instantly drops off to 14 then holds at 11/12 . i have fitted a new 007p with yellow spring , replaced the n75 and tested for leaks ( found a few small ones in the vacume pipes which i replaced ). my next job is to start replacing the check valves which is the only other place i could be losing pressre. has anyone else had problems with boost loss due to these valves as there is quite a few under there .
i have also scanned for codes but its all clear . any help or advice would be muchly appreciated
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Search button, there's been too many posts on this subject to quote them all....
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very simular problems to what i have, ive still not got to the bottom of it, but then i havent looked at the check valves either :drool: