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Photo Spot was created on 2009-02-02.
where is the secondary 02 sensor on a 2004 crv
exaust leaks , faster if its before the 02 sensor
P0139 02 Sensor Circuit Slow Response (Bank 1 Sensor 2)P0139 02 Sensor Circuit Slow Response (Bank 1 Sensor 2)
02 sensor
No the sensor is an LED and a photo-transistor.
underneath the cam rod with the 02 sensor
02 sensor heater curcuit malfunction (bank 1 sensor1)---change front 02 sensor if need be.
You have a bad 02 sensor after the catalytic converter.
That is the sensor in the catalytic converter.
That would be the sensor in the exhaust after the catalytic converter ( downstream )
That would be the sensor after the catalytic converter.