Operation CHARM
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Infiniti
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1995
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G20 L4-2.0L (SR20DE)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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Engine Control System
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Code 91
Code 91
Front Heated Oxygen Sensor DTC Chart:
DIAGNOSTIC CHART
Front HO2S Heater Diagram:
CIRCUIT DIAGRAM
