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2nd Gen Ram Tech1994-2001 Rams: This section is for TECHNICAL discussions only, that involve the 1994 through 2001 Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
I recently did the plenum job on the Dodge, I didnt replace the factory o2 sensory. I have been reading and thinking that maybe I should have. I would hate to throw away $70 for nothing, But with a plenum this bad, do you think the sensor is covered in crap?
It should throw a CEL. If you are having any issues with it running strange at all, or would rather just get it out of the way (preventative maintenance?) - might as well just replace it. It's only about $50 and takes 10 minutes.