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Home >> Cadillac >> 1996 >> Eldorado Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P0420 - TWC System Low Efficiency >> Notes

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DTC P0420 - TWC System Low Efficiency: Notes

NOTE: For circuit reference, see DTC P0137 schematic.

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