P0030 Error Fixed | O2 Sensor Heater Circuit Malfunction Repair

P0030 Error Code
🚗 Fixing P0030 O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1) 🔧
In this video, we diagnose and fix the P0030 error code, which indicates an oxygen sensor heater circuit malfunction on Bank 1, Sensor 1. If you're seeing a check engine light with this code, your vehicle might be facing issues with fuel efficiency and emissions.
🔍 What You’ll Learn in This Video:
✔️ What P0030 means and why it occurs
✔️ Symptoms of a faulty O2 sensor heater circuit
✔️ Step-by-step diagnosis using an OBD2 scanner
✔️ Troubleshooting methods: wiring checks, fuse inspection, and sensor testing
✔️ Final fix and clearing the error code
🛠 Troubleshooting Steps We Followed:
1️⃣ Scanned the car using an OBD2 scanner to retrieve the error code
2️⃣ Checked the O2 sensor wiring for any visible damage
3️⃣ Tested the sensor heater circuit using a multimeter
4️⃣ Inspected the fuse and relay related to the O2 sensor
5️⃣ Replaced the faulty sensor and cleared the DTC
⏳ Did This Fix Work for You?
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