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Infiniti
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1998
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Q45 V8-4130cc 4.1L DOHC MFI (VH41)
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Sensors and Switches - Computers and Control Systems
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Oxygen Sensor
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Description and Operation
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Front Heated Oxygen Sensor Heater
Front Heated Oxygen Sensor Heater
The ECM performs ON/OFF control of the front heated oxygen sensor heaters corresponding to the engine speed.
OPERATION