Elantra L4-1595cc 1.6L DOHC 16 Valve (1995)
Heated Oxygen Sensor: Testing and Inspection
CIRCUIT DIAGRAM
USING SCAN TOOL
NOTE
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If you release the accelerator pedal suddenly during engine running with about 4000 rpm, fuel supply will be stopped for a while and the
oxygen sensor service data in the scan tool will be displayed in the range (A) And when you suddenly press down the accelerator pedal, the
voltage will reaches (B) range.
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And then, when you let the engine idle again, the voltage will fluctuate between (A) and (B) range. In this case, the oxygen sensor can be
determined as a good one.