HELP! whistling noise now.... - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


2000-2005 Discuss your 2000-2005 Bonneville SE, SLE, and SSEi Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-13-2007, 02:04 AM   #21
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Yeah, I'd try the throttle body cleaner and see if the engine speed/smoothness changes at all. Those pipes have been known to crack in places that you can't see unless you remove them.
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Old 04-16-2007, 09:14 AM   #22
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I've been having the same problem, I too have just replaced my LIM/UIM and I get the same code. I have tried everything. I've been told that it may be the smog pump. We'll see what the dealer says, I'm done with it.
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Old 04-17-2007, 04:42 PM   #23
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Apparently I in a rush to get my car back together, I never put my pcv valve back in the new plenum. I'm an Idiot. What a fine waste of $120 @ the dealer. I can't wait to have them laugh at me when I pick it up.
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Old 04-17-2007, 04:54 PM   #24
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Hey it happens , atleast you know what it was and could have been worse.
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