Where is the o2 sensor bank 1 sensor 1 located on a 2005 dodge caravan? on 2005 Dodge Caravan

We changed one of them but the engine light is still on and the code is still there

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1 answer
FIRE WALL SIDE OF ENG 1ST SENSOR IN THAT EXH. IF YOU ALRAEDY REPL THAT ONE YOU MAY HAVE CIRCUIT ISSUE OR DEFECTIVE SENSOR IF YOU DIDN'T BY OEM PART