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1998 Jimmy, how do I check EGR valve?

Discussion in 'General Chevy & GM Tech Questions' started by otis24, Jan 14, 2009.

  1. otis24

    otis24 Member

    How do I check the EGR valve on my 1998 GMC Jimmy? My engine seems to lope when cold started and I wanted to rule out the EGR valve.
     

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