LEMON Manuals
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2008
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RX 350 FWD
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Repair and Diagnosis (Single Page)
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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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Typical Malfunction Thresholds
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Typical Malfunction Thresholds
WARNING:
This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
TYPICAL MALFUNCTION THRESHOLDS
Oxygen Storage Capacity (OSC) of catalyst
Less than 0.046 g (0.000101 lb)