Saturn 2003 vue
Replaced oxygen sensor downstream but
service engine light came back on why and
now what do I do ? The code showed up
and said that it want giving a signal to the
What was the code?
P0141 SATURN - O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 2...Possible causes; Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit fuse, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit open shorted to ground, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection, Faulty Powertrain Control Module (PCM)...The code means that there is a problem with the heater element circuit of the heated oxygen sensor. The control module monitors how long it take the sensor to warm up and start sending an adequate signal. The code is triggered when the sensor is taking too long to warm up. Water getting inside the heated oxygen sensor connector can caused the heated oxygen sensor fuse to blow. Before replacing the sensor, check for the condition of the heated oxygen sensor fuse and connectors.
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