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Eric, Automotive Repair Shop Manager
Category: Kia
Satisfied Customers: 32039
Experience:  20+ yrs. experience as repair shop manager and technician.
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Kia Sportage LX: How do I diagnose which catalytic converter

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How do I diagnose which catalytic converter needs to be replaced

Is the check engine light on and has it been scanned for codes yet? If so, is the code P0420, P0421, P0430, or P0431?

If we need to test converters, do you have an infra-red temperature gun?

Do you hear any rattling either in the engine compartment or underneath the vehicle at either idle or when accelerating?
Customer: replied 3 years ago.

Ok, that is for the converter, bank 1, which is the one facing the firewall;


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