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Why would my sub Have a higher than normal vacuum pressure?
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04-07-2021, 10:04 PM
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Gburrage
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Join Date:
Sep 2020
Why would my sub Have a higher than normal vacuum pressure?
I think my catalytic converter is out and when running The vacuum test we noticed the idle is higher than normal.
When you go up to 2500 RPM the needle on the gauge started bouncing all over the place.
Thoughts?
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