2002 Buick Rendezvous Support Question
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Question posted by andrewbento on July 5th, 2014
Error Code P0141, Sputtering, No Check Engine Light.
Driving down the highway the buick starting bucking, the rpm gauge was erratic and it stalled out. Now it runs for a bit and its same thing plus it backfiring a bit befor stalling out. I've got an error code of P0141 which is a faulty o2 censor or PMU but I'm not getting a check engine light. Any suggestions?.. If I change the o2 censor will it fix the problem?.. Someone mentioned a plugged catalytic converter.
Current Answers
Answer #1: Posted by waelsaidani1 on July 6th, 2014 6:54 AM
P0141 Buick - O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 2
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. If the sensor and connector are OK, replacing the O2 Sensor 1 usually takes care of the problem
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. If the sensor and connector are OK, replacing the O2 Sensor 1 usually takes care of the problem
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)
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