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Jerky cruising speed and running lean

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Old 08-07-2022, 08:23 PM
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Update. Car was vacuum tested/smoke tested and no leaks were found. I was told that the headers are insufficiently switching and just need to be tuned out. Got my tune and so far no codes. Hope it lasts!
Old 08-07-2022, 10:13 PM
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Headers "insufficiently switching"??



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