Ignite Your Vehicle's Potential Understanding P0030

The code is O2 sensor "pre-heater" fault. The O2 sensor is heated when the car is cold started. If the sensors are disconnected, the DME will immediately fault ... It means there's a problem with the upstream O2 sensor's heater circuit. That's the oxygen sensor in the exhaust closest to the engine (" ... Code p0030 ... It is indeed a code for an O2 sensor which is located just before the catalytic converter on the left bank exhaust. (bank 1 sensor ... The error code P0030 shows a malfunction in this system and it does so with the prompt illumination of the check engine light. So, either the O2 ... According to one website it should be a faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit. Does anyone know where this one is located and a part ... The code means that there is a problem with the heater element circuit of the heated oxygen sensor. Water getting inside the heated oxygen ... I found out why I was getting the errors, the manifold was replaced and the O2 sensor wire where it connects into the wiring harness was not ... Volvo C70 - Code P0030 - CEL is on with P0030. I understand it's the bank 1 sensor 1 heater circuit. Possible causes are vacuum leak, ... This should be a pretty simple and straight forward problem. Either the replacement O2 sensor has an open heater circuit it in, this should be ... That CEL code is pointing to the front, upstream A/F - Air/Fuel O2 sensor... Bank 1, Sensor 1. If you're going to replace it, most members would recommend ...