on March 15, 2011, 9:02 pm, in reply to "Subaru Outback 3.0 2004 Eng code EZ30 - Poor idle"
You say even with the lamda sensors un plugged they still can vary ? has the car got 4 lamda sensors and the data your seeeing is the after cat lamdas varying.
If there is no inlet manifold leaks it sounds like it needs to re adapt idle speed.
Just some thoughts.
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Subaru Outback 3.0 2004 EZ30 - Poor idle # - Roger Frazer March 15, 2011, 1:41 pm
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