SES on on 1995 Chevrolet Blazer

My Snapon scaner only go's back to 96. The code I am getting is P0401. I have changed the EGR vale and still have SES light. Any suggestions?

by in Oak Creek, WI on June 18, 2009
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2 answers
ANSWER by , June 04, 2010
I cgange the EGR vale the light came back ok after about 10 mi.
ANSWER by , June 19, 2009
Everything you want to know and more about OBD code P0401: