February 18, 201510 yr 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?
February 18, 201510 yr 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)
February 18, 201510 yr 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)
February 19, 201510 yr Author That is a beautiful looking manifold :) I will have to get it in the garage and take a good look!
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