mitsubishi galant O2 sensor

Old 10-01-07, 05:05 PM
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Cool mitsubishi galant O2 sensor

Mitsubishi Galant 2000 V6, 122k miles, Check Engine Soon light is on. Advance Auto Parts guys helped with a diagnostics. The code is P0141, O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2). Apparently, there're 4 (FOUR!) O2 sensors in this vehicle. Where's the one I should replace located, is it easy enough accesible for do-it-yourself, what brand/type should I use for repeacement?
Thanks in advance,
Old 10-01-07, 07:54 PM
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Following your exhaust manifold for the #1 cylinder, I believe it's the front manifold, that is Bank 1.

Sensor 2 is after the cat.

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