Question about 2004 Dodge Ram 1500
Sensor two is usually after the cat. Bank two would be on the side with cylinder number two.
Posted on Jul 30, 2013
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Posted on Jan 02, 2017
SOURCE: location of oxygen sensor
I believe you may have three (3) O2 sensor, (2) of the sensor is on ether side of the exhaust down pipe and some times called up stream O2 sensor, the third O2 sensor know to some as the down stream O2 and is after the Catalytic converter.
The up stream O2 monitors the left and right side banks and sends signals to the ECM to make the adjustments to the injectors to keep the proper air/fuel ratio.
The down stream O2 monitors the catalytic converter and sends signal to the ECM if the catalytic converter has gone bad.
Good luck and hope this helps. If you get it scanned at Auto Zone, they should be able to let you know which O2 has gone bad so as to not change all three. You could always check the wire harness to the down stream O2 for corrosion. Keep me posted
Posted on May 29, 2009
you can try changing the ignition coil, I own a 97 Dodge 1500 and mine did the same and thats what i had to do.
Posted on Oct 08, 2008
im not for sue how many but u need to take it to autozone if u have one where u live they will tell u where it is the most comon one if u have straight eguast is the one right in front of the cats if its that one u should notice a stall out every time u fill up from below empty on ur gauge
Posted on Mar 18, 2009
Threads of new oxygen sensors are factory coated with anti-seize compound to aid in removal. DO NOT add any additional anti-seize compound to threads of a new oxygen sensor.
Posted on Jun 11, 2009
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