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Home/DTC Codes/Lincoln/MKX/2016-2018 3.7L V6/P1125
P1125

TP Sensor Intermittent

2016-2018 Lincoln MKX 3.7L V6

Moderate SeverityPowertrain

Description

The Throttle Position sensor signal is intermittent. The PCM detects signal dropouts or erratic voltage changes from the TP sensor.

Symptoms

  • Check Engine Light
  • Intermittent stumble
  • Surging
  • Erratic idle
  • Stalling

Common Causes

  • Worn TP sensor with dead spots
  • Loose TP sensor connector
  • Damaged wiring
  • Corroded connector pins

Diagnostic Steps

  1. Monitor TP sensor voltage while slowly opening throttle — look for dropouts
  2. Wiggle test connector while monitoring
  3. Inspect connector pins
  4. Test wiring continuity

Repair Notes

Replace TP sensor if it has dead spots. Repair wiring or connector.

Related Codes

P0120Throttle/Pedal Position Sensor/Switch A CircuitP0121Throttle/Pedal Position Sensor/Switch A Circuit Range/PerformanceP1120Throttle Position Sensor Out of Range LowP1120Secondary Throttle Position Sensor CircuitP1120Throttle Position Sensor Out of Range LowP1120Throttle Position Sensor 1 CircuitP1120Throttle Position Sensor 1 CircuitP1120Accelerator Pedal Position Sensor CircuitP1120Accelerator Pedal Position Sensor CircuitP1120Throttle Position Sensor Out of Range LowP1120Accelerator Pedal Position Sensor CircuitP1120Secondary Throttle Position Sensor CircuitP1120Throttle Position Sensor Out of Range LowP1120Throttle Position Sensor 1 CircuitP1120Throttle Position Sensor 1 CircuitP1120Throttle Position Sensor 1 CircuitP1120Throttle Position Sensor 1 CircuitP1120Throttle Position Sensor 1 CircuitP1120Throttle Position Sensor 1 CircuitP1124TP Sensor Out of Self-Test RangeP1124TP Sensor Out of Self-Test RangeP1124TP Sensor Out of Self-Test RangeP1124Long Term Fuel Trim Mixture Too LeanP1124Long Term Fuel Trim Mixture Too LeanP1124Long Term Fuel Trim Mixture Too LeanP1124Throttle Unit Faulty Signal

Other Powertrain Codes

P1125 on Other Vehicles

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2003-2005 4.6L V8 DOHC

Lincoln Aviator

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Lincoln Aviator

2020-2024 3.0L V6 Twin Turbo

Lincoln Aviator Grand Touring

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Lincoln Aviator Grand Touring

2020-2024 3.0L Twin-Turbo V6 Hybrid

Lincoln Aviator Grand Touring

2020-2024 3.0L V6 Twin Turbo Hybrid

Lincoln Blackwood

2002-2002 5.4L V8

Common Questions

What does code P1125 mean on a 2016-2018 Lincoln MKX?

P1125 stands for "TP Sensor Intermittent". The Throttle Position sensor signal is intermittent. The PCM detects signal dropouts or erratic voltage changes from the TP sensor.

What are the symptoms of P1125 on a Lincoln MKX?

Common symptoms of P1125 include: Check Engine Light, Intermittent stumble, Surging, Erratic idle, Stalling.

What causes P1125 on a 2016-2018 Lincoln MKX?

Common causes of P1125 include: Worn TP sensor with dead spots, Loose TP sensor connector, Damaged wiring, Corroded connector pins.

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