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Old 02-25-2008, 12:26 PM   #12
jeffcoslacker
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Re: 97 Lumina EGR Valve and O2 sensor Question?

If you haven't been loosing coolant or seen evidence of mixing in the coolant or oil, I think it may just be residue from not operating...being a blind passage if not working, any vapors and moisture would collect there...you'll see the same kind of stuff in a clogged PCV system...

Have you priced an EGR from a salvage yard? Can the pintle in the valve be pushed open at all? I'd try to free that one up before giving up on it...I just can't remember if the electric ones can be manually opened...
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