Quote:
Originally Posted by timqqt
Yes. A lot of suction. And I can hear that if I open the oil cap. The engine runs lean.
I can hear the leak is around the AOS. I may do a smoke test. Thanks!
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Check the connections on the AOS but most likely you will need to replace the AOS . I have replaced five of them over the years on my vehicles. When you live at lower elevations, near the coast, the AOS failure rate is high. There are very few AOS failures in Colorado.