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2016 CHEVROLET IMPALA

3.6L V6 LFXAWDAUTOMATICgas
Repairs0Labor990Torque9854Fluid15DTC1920Battery2Maintenance0Recalls0
P0141low severityPowertrain

O2 Sensor Heater Circuit Bank 1 Sensor 2

on 2016 Chevrolet Impala 3.6L V6 LFX · AWD

What this code means

Malfunction in the downstream O2 sensor heater circuit for Bank 1.

Symptoms

  • Check Engine Light
  • Failed emissions

Common causes

  • Faulty sensor heater
  • Blown fuse
  • Wiring damage

Diagnostic steps

  1. Check fuse
  2. Test heater resistance
  3. Inspect wiring

Repair notes

Replace O2 sensor or repair wiring.

Other Powertrain codes on this vehicle

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