How to tell if bad catalytic converter or 02 sensor p0420

First published at 20:16 UTC on May 14th, 2022.
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In this video I explain and demonstrate how to diagnose the difference between a bad catalytic converter vs a bad post-cat oxygen sensor on a 2008 Jeep Grand Cherokee. I use a scan tool to pull a DTC P0420 (Diagnostic trouble code: catalyst system e…

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CategoryAuto & Vehicles
SensitivityNormal - Content that is suitable for ages 16 and over
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