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Camaro LS, Automatic Trans
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Repair and Diagnosis
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Different variant/trim
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Section 24 (Engine Controls And Fuel - 6.2L (LT1/LT4) - Diagnostic Information And Procedures (2 Of 3))
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Diagnostic Information and Procedures
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DTC P0420 or P0430
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Conditions for Setting the DTC
Conditions for Setting the DTC
WARNING:
This page is about a different variant/trim than selected.
Oxygen storage capacity of the catalyst = Less than a predefined threshold