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mark

mark 8/7/2010

1998 GMC Yukon SLT 8 Cyl 5.7L

Engine

service engine soon light on. code egr insufficient flow. action need

1 Answer


RICH

RICH 8/7/2010

need to replace egr valve sys then clear the codes

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RICH

joe 10/1/2012

Its popping thru the exhaust

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