P0141
O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 2
Generic code
Fuel and Air Metering
Medium severity
Moderate repair
Free on OBD DashX
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What P0141 means
- The fault code P0141 indicates that there is an issue with the O2 sensor heater circuit for bank 1, sensor 2. This sensor is responsible for monitoring the oxygen levels in the exhaust and helping the engine control module adjust the air/fuel mixture.
Possible symptoms
- Illuminated check engine light
- Poor engine performance
- Decreased fuel efficiency
- Failure to pass emissions testing
Possible causes
- Failed O2 sensor
- Faulty wiring or connections in the circuit
- Loose or corroded electrical connections
- Failed engine control module (ECM)
Related parts
- Oxygen Sensor: This is one of the parts that fails very commonly. It measures the amount of oxygen to ensure proper combustion. Problems in the Oxygen Sensor lead to poor fuel economy
Possible solutions
- Replace the O2 sensor
- Check and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0141 on OBD DashX
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