Hey guys , got one kicking my butt here. We replaced the manifold cat for a code p0420. Now we cannot get the catalyst monitor to complete. has been driven over 400 miles. So we replaced the cat again with the same brand. 75 miles later , nothing. We are still...

FIX posted 7/11/2016

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle