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Home >> Lexus >> 2009 >> ES 350 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control (SFI) System (Diagnostic (Codes P0010-P043E)) >> SFI System >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1); DTC P0430: Catalyst System Efficiency Below Threshold (Bank 2) >> Monitor Result

Monitor Result

Refer to CHECKING MONITOR STATUS. Refer to CHECKING MONITOR STATUS .