Question about 2005 Dodge Grand Caravan
As per engine scanner at Auto Zone 02 (oxygen sensor) heater condition-check repair resource for sensor location identification The powertrain control module controls the electrical circuit for the oxygen sensor heater. The computer has recognized a failure in this circuit. Where do I find the following in the motor area: 1) check circuit fuse 2) relay defective 3)check circuit wiring We have already replaced the bank 1 sensor and the EGR valve.
The heated oxygen sensor(HO2S) is located in the exhaust manifold/s before the cat converter/s
O2 sensors are located after the cat converters
the power train is the engine and transmission unit and the control for the sensors is the ECM
the major problem is the wires in the HO2S as they are fragile and break close to the sensor very easily
Posted on Jun 25, 2017
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Posted on Jan 02, 2017
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