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Home >> Saturn >> 1997 >> SW2 Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Trouble Codes >> DTC P0420 - Catalyst Efficiency Low >> Notes

DTC P0420 - Catalyst Efficiency Low: Notes

NOTE: For circuit reference, see the appropriate WIRING DIAGRAMS article. For connector and terminal identification, see CONNECTOR IDENTIFICATION .

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