Thanks guys. So it sounds like it definitely throws a code but a CEL will not necessarily pop up? So if I have a way to check "stealth codes" or whatever they're called (such as INPA or Carly), I'd know from there?
I'm asking because it seems that these valves go out pretty easily. I mean, I of course have no idea what kind of mileage are on the used manifolds everyone is buying second-hand, but it almost seems like the DISAs are always bad from what I'm seeing lol. I want to make SURE that mine are still functioning properly before my CPO warranty expires next year (N51 so my car came from factory with them).
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