Why does my EGR leak - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 01-09-2006, 04:16 PM   #1
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Default Why does my EGR leak

My original EGR seemed to develop quite a leak, above the gasket, because the tops of the mounting bolts get soot covered, as well as anything within a few inches, like the side of the valve cover. I grabbed the valve off my parts car that showed no signs of soot anywhere near it. Sure enough, I've got soot, same symptoms. Any ideas? I'll snap a photo later, but it seems it comes from the pintles.
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Old 01-09-2006, 04:57 PM   #2
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No soot after running on the 93? But it soot'* up on your 92? Running rich at idle perhaps?
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Old 01-09-2006, 05:17 PM   #3
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Quote:
Originally Posted by willwren
No soot after running on the 93? But it soot'* up on your 92? Running rich at idle perhaps?
remember his destroyed 02 sensor???
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Old 01-09-2006, 05:23 PM   #4
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Quote:
Originally Posted by willwren
No soot after running on the 93? But it soot'* up on your 92? Running rich at idle perhaps?
92 and 93 leaked soot. It was leak free when it was on the 93.
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