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Lexus
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2012
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IS 350 Base, AWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System (Diagnostic Codes (P0171-P0607))
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SFI System
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DTC P050B: Cold Start Ignition Timing Performance
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Typical Malfunction Thresholds
Typical Malfunction Thresholds
Accumulated time when ignition timing retard is cut off
5 seconds or more