What does fault code P0141 mean?
Diagnostic trouble code P0141 is defined as O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2). This standard OBD2 code is triggered when your car's powertrain or module sensor voltage deviates from calibrated safety tolerances.
Severity & Can I Drive With Code P0141?
Severity Rating: 2/5 (Moderate Severity)
ℹ️ Can I Drive? You can drive short distances safely, but address this fault soon to maintain optimal engine performance and pass emissions testing.
Common Symptoms of P0141
- Check engine light on
Common Causes Ranked by Likelihood
- Faulty downstream O2 sensor heater element
- Wiring harness damage
DIY Repair & Troubleshooting Steps
- Inspect downstream O2 wiring under vehicle
Professional Shop Repair & Estimated Cost Range
- Replace Bank 1 Sensor 2 O2 sensor
Estimated Repair Cost Range: $100 - $280
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