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GM Catalytic Converter Break-In Information
A service engine soon light may be experienced on low-mileage vehicles.
2002-2018 Cadilac Escalade2002-2013 Chevrolet Avalanche2002-2018 Chevrolet Express2002-2018 Chevrolet Silverado
CONDITION/CONCERN
A service engine soon light may be experienced on low-mileage vehicles, or vehicles that have recently had the catalytic converter replaced and DTCs P0420 and/or P0430 may be stored.
Diagnosing P0420 Or P0430 DTCs with Catalytic Converters
It’s important to understand the basics of catalytic converter chemistry and how catalytic converter failures are diagnosed.
Exhaust Repair Options
If a replacement does not meet or exceed the flow characteristics of the original, it could mean more than a loss of power.
Catalytic Converters: Efficiency Code Diagnostics
Understanding catalytic converter efficiency codes can be a long road to a happy customer or an expensive comeback.
Exhaust Manifold Leaks Cause Issues For The Oxygen Sensors
The engine management system does not know there is a crack in the manifold.
Other Posts
Catalytic Converter Theft Crisis – Due to Covid-19?
Catalytic converters have become a hot product among thieves. Has the global pandemic played a part?
Tech Tip: Close-Coupled Converter And Engine Replacement
If an engine breakdown were to occur, debris may be deposited in the converter through engine exhaust ports.
Catalytic Converters: Regulation, Replacement and Theft
Catalytic converter replacement is easy – it is the ordering and associated paperwork that can be difficult.
Honda: Engine Shuts Off, Power Remains ‘On’ Or ‘Accessory’
The culprit could be a misadjusted shift cable.
