I have the 2.8L 4cyl engine...I have the scanner code PO128 showing with the on 2006 Chevrolet Colorado

check engine light on. I bought a thermostat, Where is the theremostat locatede?

Asked by for the 2006 Chevrolet Colorado
1 answer 1 comment
drivers side of eng block,follow the upper rad hose to eng and it will be right there