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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 08-08-2009, 02:56 AM   #21
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I appreciate all the help; and have now got the problem fixed. The problem was the most obvious; plugged CAT! But, apparently the boost valve was bad and while I had it in the shop, I had the upper, lower, valve covers gaskets replaced. Anyway, the main culprit was the CAT,, the screen in the intake side of the CAT was completely plugged. I guess the vacum test is not accurate.

Total out the door with oil change and radiator flush: $1800.00

But, the Bonnie runs like she is supposed to now!!

Thanks again for all the support.

David.
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Old 08-08-2009, 07:17 AM   #22
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Ouch, big bill. Glad it'* all working now though.
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