My engine stalls at idle why?

1999 DODGE DURANGO
23,000 MILES
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WHITEY678
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  • 12 POSTS
Okay, so I finally found time to change the 02 sensor after getting the 'o2 sensor slow response'. Now I have a code 'p0420' Is my Catalytic converter bad? Or could my rear sensor be going bad? Thanks for putting up with all of these questions! its one thing after another!
Oct 16, 2020 at 11:44 AM (Merged)