HULKSCOOBY Posted February 18, 2015 Share Posted February 18, 2015 Hi guys, trying to get to the bottom of my uneven idle. Looking at the 3 vac lines from the top of the manifold. One goes to boost solenoid, one to BOV and the other i can't see where it goes, there is a T piece in it. Any ideas? Quote Link to comment Share on other sites More sharing options...
savage bulldogs Posted February 18, 2015 Share Posted February 18, 2015 Looks like it goes to the fuel pressure regulator . I'll have to check tonight but I don't think the boost solenoid should be directly plumbed into the inlet (map sensor maybe ) Boost solenoid Top port turbo outlet Middle port actuator Bottom port intake pipe (black pipe between maf and turbo) Quote Link to comment Share on other sites More sharing options...
savage bulldogs Posted February 18, 2015 Share Posted February 18, 2015 Had a quick squint and the boost solenoid vac lines are as above . This is a pic of my old phase 1.5 inlet but the fuel pressure regulator is in the same place at the end of the drivers side fuel rail . Bottom right in the pic vac line runs from inlet to fpr (looks a bit like a mini actuator) Quote Link to comment Share on other sites More sharing options...
HULKSCOOBY Posted February 19, 2015 Author Share Posted February 19, 2015 That is a beautiful looking manifold :) I will have to get it in the garage and take a good look! Quote Link to comment Share on other sites More sharing options...
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