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Originally Posted by RIP
O2 Sensors on these vans are normally refered to as the upstream and downstream sensor. I believe Bank 1 is refering to the upstream sensor but I would verify with your mechanic. If the 3.0 is like the 3.3 and 3.8 engines, the upstream sensor sits on top of the exhaust manifold behind the engine.
http://www.autozone.com/shopping/rep...00c1528003c4b0 |
The Free Online manuals also has a picture and instructions for changing upstream and downstream sensors.