gasguzlr76 asked: owners manual says if my vin #is a z for the eight letter wich mine is you can use e 85 fuel any body else owns one and has used e 85 or if u know where i could find info about it thanx
Website content
Tags:
2004 Gmc Yukon,
E85,
Gmc,
Gmc Yukon
Double check with the dealer. Give them your vin and see if it’s the 5.7 flex fuel engine.