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Lexus
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2008
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SC 430
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Repair and Diagnosis
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External Pages
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Different car
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Section 17 (Engine Control System)
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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)
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Monitor Result
Monitor Result
WARNING:
This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
Refer to
CHECKING MONITOR STATUS
.