2002 Buick Rendezvous 02 sensor

2002 BUICK RENDEZVOUS
90,000 MILES • 6 CYL • AWD • AUTOMATIC
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KURTAB
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Getting code P0135 from my Actron tester. Telling me that 02 Heater Sensor Heater Circuit Malfunction (Bank 1 Sensor 1). I am assuming that a replacement of the 02 sensor is warranted, but which 02 sensor is Bank 1 - Sensor 1?
Thanks for the help.
Sep 20, 2010 at 10:16 AM
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BLUELIGHTNIN6
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bank 1 refers to the side of the engine with the number 1 cylinder on it, sensr 1 is the sensor closest to the engine.
Sep 20, 2010 at 3:23 PM