Does anyone know how many O2 sensors an 03 Ram 1500 5.7L has? After some searching, looks like a lot of folks on here are saying there should be 2 upstream and 1 downstream. Looking at mine I only see a total of 2...one just before the cat and one right after.
A forum community dedicated to all Dodge owners and enthusiasts. Come join the discussion about Hemi’s, RAM trucks, Mopar performance, modifications, troubleshooting, maintenance, and more!