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Home/DTC Codes/Lincoln/MKX/2014-2014 3.5L V6/P0141
P0141

O2 Sensor Heater Circuit Bank 1 Sensor 2

2014-2014 Lincoln MKX 3.5L V6

Low SeverityPowertrainGeneric (SAE)

The 2014 Lincoln MKX is equipped with a 3.5L V6 engine. Below you'll find detailed p0141 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.

Description

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.

Related Codes

P0036HO2S Heater Control Circuit Bank 1 Sensor 2P0136O2 Sensor Circuit Bank 1 Sensor 2P0140O2 Sensor Circuit No Activity Bank 1 Sensor 2

Other Powertrain Codes

P0141 on Other Vehicles

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2020-2020 3.0L Twin-Turbo V6

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2020-2020 3.0L V6 Twin Turbo

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Lincoln Aviator

2021-2021 3.0L Twin-Turbo V6

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Common Questions

What does code P0141 mean on a 2014-2014 Lincoln MKX?

P0141 stands for "O2 Sensor Heater Circuit Bank 1 Sensor 2". Malfunction in the downstream O2 sensor heater circuit for Bank 1.

What are the symptoms of P0141 on a Lincoln MKX?

Common symptoms of P0141 include: Check Engine Light, Failed emissions.

What causes P0141 on a 2014-2014 Lincoln MKX?

Common causes of P0141 include: Faulty sensor heater, Blown fuse, Wiring damage.

Last updated: March 2026

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