upstream
-
K
How many Oxygen Sensors?
So, do I have two, three, or four Oxygen sensors? 2005 Dodge Ram 1500 SLT 4WD Quad Cab 5.7 Hemi gasoline. In previous years I have changed two - one upstream ("before" the catalytic converter) and one "down". i THOUGHT that were all. But internet searches elsewhere than this forum hint at...- Kukailimoku
- Thread
- bank bank 1 bank 2 downstream o2 sensor oxygen sensor upstream
- Replies: 4
- Forum: Engine & Performance
