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1992 Dodge Ram Van B350 Question: o2 sensors code, how to test and replace

 

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Visitor, 5.9L V8, San Jose, CA, December 25, 2010, 14:14

locate and replace o2 sensors

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  • Answer #1

    emcautocenter from EMC Auto Center Complete Auto Care, December 28, 2010, 12:45
     Enthusiast

    The oxygen sensor is threaded into the left exhaust manifold above the manifold outlet. The connector mounts to clip on the left motor mount bracket.. In order to test the sensor you usually need a scanner or digital oscilliscope. Are you getting a check engine light, or just reduced gas mileage?

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