WebJun 23, 2024 · P0138 is the OBD-II code that is recorded when a high voltage signal is detected from the downstream oxygen sensor in bank 2. ... Sensor 2). The code will set when your car’s primary computer—also … WebJun 3, 2024 · One thing about my car is that it has 3 oxygen sensors. One on the first cat, then one pre the second cat and of course then the downstream o2 sensor post second cat. I installed it on the post second cat bung. See this image it's labeled #3 i.imgur.com/9lt1CZa.png – Jun 3, 2024 at 20:30 Add a comment 1
Q: would a bad oxygen sensor keep my truck from starting?
WebApr 10, 2024 · An O2 sensor in poor condition can cause combustion problems, leading to a poor air-fuel mixture. That will create a significant lack of power when starting the car. During driving, weak engine performance may go away, but that doesn’t mean the problem is gone. Leaving this problem unresolved will cause major problems during driving. WebAug 31, 2024 · So in other words, once your O2 sensor starts to fail, you'll know it because your fuel economy and performance will drop off pretty drastically. In addition, your Check … birthday gifts for sister turning 80
What Are The Downstream O2 Sensor Symptoms? - Torque Trip
WebFeb 27, 2024 · Here are some detailed steps on how to bypass an oxygen sensor: 1. Prepare the Car You don’t want to work with a hot car. Instead, allow it to cool down completely before getting started. It could take several hours for the exhaust to cool completely after driving. Disconnect the negative battery cable from the terminal. WebFeb 13, 2024 · Also, using fuel that isn’t recommended for your vehicle or low-quality fuel; can make your oxygen sensor fail faster. (O2) Oxygen Sensor Failure, Can Cause Catalytic Converter, Meltdown. So, an oxygen sensor failure, can lead to incorrect readings of exhaust gasses. As a result, the faulty sensor can cause, a too rich or too lean condition. WebFeb 16, 2024 · This circuit is not essential for proper engine functioning. The closed loop continuously adjusts the air/fuel ratio and and makes it optimal in all engine modes. If the O2 sensor is faulty or disconnected, the closed loop circuit is switched off and everything defaults to settings like in a car which does not have a O2 sensor at all. danner pronghorn boot review