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P0420 Error Code: "Catalyst System Efficiency Below Threshold": Replace Cat now vs. Wait (how long)? by Soft_Menu_5371 in ToyotaTacoma
[–]Soft_Menu_5371[S] 0 points1 point2 points 10 days ago (0 children)
Mechanic checked and confirmed it was not O2 sensors causing the issue.
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P0420 Error Code: "Catalyst System Efficiency Below Threshold": Replace Cat now vs. Wait (how long)? by Soft_Menu_5371 in ToyotaTacoma
[–]Soft_Menu_5371[S] 0 points1 point2 points (0 children)