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Home >> Chevrolet >> 2000 >> Prizm Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 1.8L >> Diagnostic Tests >> DTC P0420: Catalyst System Low Efficiency >> Notes

DTC P0420: Catalyst System Low Efficiency: Notes

NOTE: For circuit reference, see appropriate wiring diagram in WIRING DIAGRAMS article.