← View Generic P0140 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2019 Ford F150 PICKUP

P0140: Oxygen Sensor Circuit No Activity Bank 1 Sensor 2

on 2019 Ford F150 PICKUP

Fix Cost
$50 - $250
Parts & Labor
Difficulty
2/5
30 mins - 1 hour
DIY Possible?
✅ Yes
Save money
Your Vehicle
2019 Ford
F150 PICKUP
⚠️

Important for 2019 Ford F150 PICKUP Owners

Before starting repairs, verify which engine your 2019 Ford F150 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does P0140 Mean on 2019 Ford F150 PICKUP?

The downstream oxygen sensor on bank 1 shows no switching activity.
⚠️

Symptoms

  • • Failed emissions test
  • • check engine light
  • • catalytic converter monitoring disabled.
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Common Causes

  • • Failed oxygen sensor
  • • open wiring circuit
  • • no power to sensor
  • • completely contaminated sensor.
🛠️

How to Fix P0140 on 2019 Ford F150 PICKUP

Replace oxygen sensor, repair open circuits, check power supply, inspect for contamination.

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Parts for 2019 Ford F150 PICKUP

Oxygen Sensor Shop ↗ O2 Sensor Socket Shop ↗

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Related Diagnostic Codes

Other codes that may appear with P0140

P0138 Sequential Code

Oxygen Sensor Circuit High Voltage Bank 1 Sensor 2

Medium
P0139 Sequential Code

Oxygen Sensor Circuit Slow Response Bank 1 Sensor 2

Medium
P0141 Sequential Code

Oxygen Sensor Heater Circuit Malfunction Bank 1 Sensor 2

Medium
P0142 Sequential Code

P0142: Fuel Pressure Regulator Circuit Malfunction

Medium

💡 Why These Codes Are Related:

  • • Similar Issues: Same root cause or component failure
  • • Related Problems: Often occur together due to system interactions
  • • Sequential Codes: Progressive failure stages or multiple sensors
  • • Same System: Components within the same automotive system