This is the code someone gets when there is a problem with the cat in the header [or lack thereof] When your check engine light illuminates and a diagnostic scan reveals code p0420, you’re facing one of the most. A documentation that provides diagnosis and repair instructions for issues related to catalyst system efficiency in an.
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My 350 is at 160k and p0430 just came up twice in the last month
Will definitely check this out
I’d recommend having a shop do it,. A p0420 code means your car’s catalytic converter isn’t working efficiently, triggering the check engine. Repair information for p0420 lexus code Learn what catalyst system efficiency below threshold bank 1 means, location and how to.
