Catalytic converter failure anomaly?

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Black_cirrus

I'm Awesome
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Mar 15, 2015
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With readings that low I'd make sure its not flooding the cylinders with gas, washing out the ring seal. but with the 2 no compression holes I'd say time to get an experienced person to put eyes on it. My first thought was along the lines of a coolant sensor but the plug backing out is stillasking why.
 
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