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Registered
Join Date: Aug 2024
Location: Greenville S.C.
Posts: 32
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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!
 
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09-23-2025, 05:10 AM
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Join Date: Aug 2024
Location: Greenville S.C.
Posts: 32
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I believe I have determine why it was plugged. This Aux Air Valve didn’t test good
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09-24-2025, 06:46 AM
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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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09-25-2025, 07:11 AM
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Join Date: Aug 2024
Location: Greenville S.C.
Posts: 32
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Yesterday, 06:39 PM
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Registered
Join Date: Aug 2024
Location: Greenville S.C.
Posts: 32
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Quote:
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Yesterday, 06:39 PM
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930
1983SC
1981SC Targa
