The pipe concerned comes from the vacuum pump on the alternator. It then comes up to just in front of the turbo where it splits. It goes up over the head as a metal pipe which is fixed to the metal box air ducting box with turbo EFI marked on it. It then goe down to a junction but follow the pipe which goes under the inlet manifold. It re-appears behind the EGR valve its self. Hope this is of some help to you. This is from memory so it might not be exactly right.
Ian
Ian
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