Aero 9-5 Manual shudder when reaching red marker on turbo - The Saab Link Forums

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Old 10-12-2013, 11:22 PM   #1
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Unhappy Aero 9-5 Manual shudder when reaching red marker on turbo

Hey guys,

Today my car started shuddering under load (pretty much when the turbo hits high yellow/red. It hasn't happened before and not sure what to look for.

Any tips?

Thanks
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Old 10-13-2013, 09:22 AM   #2
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How old is your DI? Check your vacuum and intercooler hoses?
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Old 11-19-2014, 04:13 PM   #3
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I have the same issue. Shudders before red line but when I get off the gas its back to normal, other than that it rides smooth. Anyone know what's going on?
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Old 11-19-2014, 04:52 PM   #4
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Is the check engine light flashing, and setting misfire or knock codes?
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Old 11-22-2014, 08:34 PM   #5
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No, the check engine light does not come on, no misfires so no check codes, only does it if I have to suddenly give it gas other wise it will get up to 90 pretty quick just need to watch the turbo needle in all gears(even in auto).
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