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GUIII 4.2 VACUM DIAGRAM

Posted: Wed Mar 18, 2009 5:34 pm
by speed=t/d
Does anyone have a vacum diagram for the GUIII 4.2 turbo diesel (03 model). Any assistance appreciated as we are trying to sort out a perceived lack of power problem, we think it might be a vacum problem?. (170000 kms, 12ltr per 100k's, 3 inch exhaust & DTS dump, no other mod's to pump or turbo, just did injectors, aligned TDC, all the obviuous stuff).

I've had a black scabbie fugi in the fuel filter (despite regular anti fungicides) and was wondcering will this stuff cab get past the filter and stuff up the pump? No obvious sign sof this yet.

I've just done the injectors and now were are looking at the pump and vacum to find out if we can make the old girl boggie a liitle bit.

Thanks