Hey Scotty I have a Ford Expedition 2008 XLT it has 223k miles on it…

flamemaster207

Hey Scotty I have a Ford Expedition 2008 XLT it has 223k miles on it and it has the code Po420 in bank 1 I don’t know if the catalytic converters are shot or it could be a oxygen sensor what do you think?

Comments (2)
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Scotty Kilmer
Scotty Kilmer

Editor

odds are cat is bad with that mileage, have a pro test it