P0140 – O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2 – Causes, Symptoms and How To Fix
If your check engine light has illuminated and you’re getting the P0140 code, it’s time to pay attention. This diagnostic trouble code can signal an issue with the oxygen sensor circuit in your vehicle, specifically for Bank 1 Sensor 2. In this guide, we’ll break down everything you need to know about the P0140 code—its … Read more