Quote:
Originally Posted by Jager
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.
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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.