Need help - rough idle and loud whistle at the back of the engine

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Old 08-17-2007, 06:01 AM
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Default Need help - rough idle and loud whistle at the back of the engine

I just got off the highway last nite and I hear a loud whistling (NOT THE TURBO) at the stop light then the car starts idling rough bouncing between 800-1200 RPMs. Then the check engine light comes on. I baby the car home, the temp is normal but the car seems down on power too. Anyone had this problem? Car is a '06 with 25,000 miles.
Old 09-05-2007, 08:21 AM
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Default wow sounds like a major boost leak... sorry have no ideas for you

i'm still new to where everything is piped to under the hood. let us know what it is when u find out
Old 09-13-2007, 11:17 AM
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check your diverter valve..almost positive its that
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