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Old 08-08-2020, 04:40 PM   #26
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Join Date: Jul 2020
Location: Durham, NC, US
Posts: 18
Originally Posted by Jager View Post
Tim, You might have other vacuum leaks besides the AOS. If your mechanic did a smoke test he might have found a cracked hose(s). BUT, if you have major suction at the oil fill tube the AOS is bad.
Yeah. I did see a lot of signs of AOS failure. Like, the car runs rough at idle only when it starts from cold.

I am just curious that does the fault code relates to the failed AOS or the leaking hose.
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