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Old 06-05-2003, 03:50 PM
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sixto sixto is offline
smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 18,745
I think it's part of the EGR system. It shouldn't be a big deal to connect the vacuum hoses bypassing the thermoswitch until you get a replacement. It will probably only affect performance until the engine gets to operating temperature. Don't wait too long just in case.

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