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2003 Dodge Ram 1500 Question: Oxygen heater sensor

 

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Baldon, Camarillo, CA, January 11, 2011, 19:49
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Check engine light code 0057 Bank 2 Is this drivers side or passenger side?

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, January 11, 2011, 20:31
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     Master

    Oxygen sensors are identified by bank and sensor position. Sensor 1 is always pre catalytic converter, sensor two is always post catalytic converter. If an engine is a 4 or 6 cylinder engine the whole engine is considered bank 1, if an engine is a V6, V8, V10....., the engine bank containing cylinder number 1 (first cylinder in the firing order) is considered Bank 1, the other bank is considered Bank 2. Interpretation Oxygen sensor designation B2S1 refers to Bank 2 Sensor 1, it will be the sensor on the engine side of the catalytic converter in bank two. Check this link to determine the cylinder that contains cylinder number 1. http://www.wellsve.com/custom_searches/ds_firing.php

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    Baldon, January 11, 2011, 21:05
     Rookie

    Thank you!

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