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79 SC Plugged Rubber Pipe to Sensor Plate Boot
I have a California Spec. 79SC with EGR. The rubber pipe that connects the Aux. Air Slider was plugged at the Sensor Plate Boot. The replacement boot I am installing is also plugged but can be opened. My question is why would this line be plugged? See pics. Thanks!
http://forums.pelicanparts.com/uploa...1758632847.jpg http://forums.pelicanparts.com/uploa...1758632871.jpg |
I believe I have determine why it was plugged. This Aux Air Valve didn’t test good http://forums.pelicanparts.com/uploa...1758725171.jpg
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How did you test it? The AAV is open until the engine starts, and vacuum is present. It then closes so air doesn't pass through it when running.
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