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View Full Version : what is the best way to replace the air regulator?


aznfab213
08-25-2012, 01:14 PM
How would you guys reccomend going about replacing the air regulator. For a while my car has been making a humming sound from the intake manifold area. Reading through the 240sxforums, I found it to be the air regulator/ auxillary air valve that is bad.