Good Morning, (to those in western states)
I was having a rough and inconstant idle. I will save everyone the whole story and say I found the leak to be at brake booster. I clamped of the line and lambda settled in very nicely. Evidently previous owner had taken a nut off of master cylinder. I replaced nut and tightened it back up. Unclamped vacuum hose and leak is still there to a lesser degree. My question is, is there a seal of some kind between booster and master cylinder that can leak? or is the diaphragm is booster shot?
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