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Boost vs. RPM

I am not to sure about the cats, unless the engine is going into a sort of limp mode because of them. A plugged or shot cat would not cause

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Old 05-28-2013, 08:48 AM   #14 (permalink)
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I am not to sure about the cats, unless the engine is going into a sort of limp mode because of them. A plugged or shot cat would not cause the engine to come in and out of boost like you are experiencing (unless of course the ECU is doing funny things because of it). Do you have uprev? a simple log would tell you exactly what is going on (if its not being caused by a stick wastegate or something similar).
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