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Model Year Condition Remarks
silverado 2005 Unknown Runs good, 240k has evap leak code
Sierra 2017 Unknown P0420 and p0430
Caprice 2011 Unknown None
silverado 2002 misfire 2500HD 200k miles rear main leaking, slight misfire at idle on most cylinders but no codes
silverado 2005 Known good 2500 4wd 200k miles