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Infiniti
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1998
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I30 Base, RE4F04A
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics - Testing - I30
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Self-Diagnostic System
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Diagnostic Modes
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Mode 5: Heated O2 System Status
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Mode 5: Heated O2 System Status
This mode accesses ECM monitoring of heated O2 system.