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Air oil separator.

  

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Topic starter

I have a 2005 toyota matrix xr automatic with about 157,000 miles. I would like to get your opinion on if adding a AOS to the car would be a good idea? 


2 Answers
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You are talking about an oil catch can that is installed in line with the PCV valve system.  Lots of opinions about these but I think they're a waste of money, people usually forget to empty and maintain them, and it's an alteration of a vehicle emission control system which is illegal.


Are there any decent cheap ones out there? I'd run a breather like I used to but I'm sure the ecu would have a coniption fit.

Not worried about legalities as I can always remove it prior to emissions, just really don't like running a dirty intake charge.


2

 no


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