i have a 2002 volvo s80 t6 the engine light is on the code is ecm-2810co2 sensor i see 2 sensors in back of the engine which one is it?
2810 would be the upstream sensor. It's the one in the exhaust header that's close to the engine.
there are 2 of them about 6" apart from each other is it the one on top or bottom?
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