Oxygen Sensor Heater
The oxygen sensor detects the oxygen content in exhaust gas and signals the ECM. ECM bases fuel injection duration on these signals. An internal heater, activated by the ECM, stabilizes sensor output for more accurate readings.
The oxygen sensor detects the oxygen content in exhaust gas and signals the ECM. ECM bases fuel injection duration on these signals. An internal heater, activated by the ECM, stabilizes sensor output for more accurate readings.