Empowering You to Fix the P0030 Code A Comprehensive Troubleshooting Manual

The Heated Oxygen Sensor is not heating. S may mean the Secondary sensor which is after the cat. If you had exhaust problems, you may have a damaged wiring ... 2015 WRX Base, no mods, 23.5k miles. I currently have a check engine code P0030 on the car, which is the third time I've had this code in the last 2 months. Detailed information on troubleshooting and repairing a P0030 DTC code which refers to a problem in the HO2S heater control circuit. This error indicates that it is not reaching temperature (the sensor, not the engine) , which is usually a failure of the O2 sensor. That fault code is an O2 sensor fault , the om642 engine eats them regularly. The fault of the light staying on will be a glow plug out or glow plug relay ... Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase ... I have a 2006 Pontiac grand prix. The check engine came on and i put the code reader on it and P0030 and P0036 keep coming up i tried clearing it. ... code I had. To my surprise it was a p0030 code out of everything. So I cleared the code and there it was after every ignition cycle. I went ... What does the code “P0030” mean? It means that a problem has been detected with the upstream oxygen sensor on engine cylinder bank 1. What causes it to appear? They ripped you off... replacing the sensor then cycling the ignition key on-off-on clears the code. There is no computer connection required.