How to fix P0138? | Oxygen Sensor High Voltage (Bank 1, Sensor 2)
Are you encountering the P0138 error code? 🚗⚠️ This code stands for "O2 Sensor Circuit High Voltage" for Bank 1 Sensor 2, indicating that the sensor is detecting excessive voltage, which could affect your car's emissions and performance. 📖 Read more about P0138: https://obdcode.org/p0138/ ▶︎ How To Reset OBD Codes? OBD 2 Scanner: https://amzn.to/4c1jtZj ▶︎ To find the right Oxygen sensor: https://amzn.to/4cDoasx ▶︎ Do you want to test the oxygen sensor: https://amzn.to/4dAGoMn 🔥 Here are some of my favorite items that you might like: ▶︎ Tools: https://amzn.to/3WoLvYJ ▶︎ Car Vacuum: https://amzn.to/3YIBOYb ▶︎ Cleaning Tools: https://amzn.to/3YjS7dE ▶︎ Cleaning Gel For Cars: https://amzn.to/36NIiMr ▶︎ Headlight Restoration Kit: https://amzn.to/3WLKtaR ▶︎ Amp Jump Starter: https://amzn.to/4fo8P1A In this video, we’ll guide you through everything you need to know about P0138 and how to fix it: 🔍 What is P0138? – Understand the meaning of this error and how it impacts your vehicle. 📍 What is Bank 1 Sensor 2? – Learn the location and role of this sensor in monitoring the catalytic converter's efficiency. ⚙️ Why Does P0138 Get Triggered? – Discover common causes of high voltage in the oxygen sensor circuit. 🗺️ Where Is the P0138 Sensor Located? – Find out the exact position of Bank 1 Sensor 2 in your car. 💡 Common Root Causes of P0138: 1️⃣ Faulty Oxygen Sensor – A damaged sensor may send incorrect voltage readings. 2️⃣ Faulty Oxygen Sensor Heater Circuit – Malfunctioning heater circuits can cause sensor irregularities. 3️⃣ Defective Sensor Wiring or Circuit Problems – Issues like short circuits or loose connections can lead to high voltage. 4️⃣ Exhaust System Leaks – Leaks may disrupt sensor readings and trigger this code. 🔧 How to Fix P0138: ▶︎ Replace the faulty oxygen sensor if needed. ▶︎ Inspect and repair any damaged wiring or connectors. ▶︎ Test and fix the oxygen sensor heater circuit. ▶︎ Check and seal any exhaust leaks near the sensor. Don’t ignore the P0138 code—fix it to keep your car running efficiently and emissions-compliant. Watch the full video for a step-by-step guide, and be sure to like, subscribe, and share for more car repair tips! #P0138 #OxygenSensor #CarRepair #checkenginelight Chapters: 00:00 - Intro 00:12 - What is P0138? 00:39 - What is Bank 1- Sensor 2? 01:37 - What triggers P0138? 02:32 - Where is the P0138 sensor located? 03:06 - How to Reset P0138? 03:50 - Possible Root causes of P0138
