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Nissan-Datsun
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1997
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D21 Hardbody XE 2WD L4-2389cc 2.4L SOHC MFI (KA24E)
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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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Oxygen Sensor
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Description and Operation
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DTC P0141 Rear HO2S Heater
DTC P0141 Rear HO2S Heater
SYSTEM DESCRIPTION
The ECM performs ON/OFF control of the rear heated oxygen sensor heater corresponding to the engine speed.
OPERATION
Engine speed rpm / Rear heated oxygen sensor
Above 6,000 / OFF
Below 6,000 / ON