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LX 570
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Control System - Diagnostic Codes (3 Of 7)
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SFI System
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DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1); DTC P0430: Catalyst System Efficiency Below Threshold (Bank 2) [08/2017 - 08/2018]
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Monitor Result
Monitor Result
Refer to CHECKING MONITOR STATUS (Refer to
CHECKING MONITOR STATUS [08/2016 - 08/2018]
).