P0030 Code A Comprehensive Diagnostic and Repair Manual

How To Fix a P0030 Code: HO2S Heater Control Circuit O2 Sensor removal tool on Amazon: https://amzn.to/3w6vqdA How To Test Oxygen Sensor ... I hooked up my OBD reader to the car and it gave me code P0030, I goggled that and got the result that my O2 sensor in Bank 1 is bad. P0030 = HO2S Heater Control Circuit (Bank 1, Sensor 1) Heated oxygen sensor heater duty cycle maintains a constant value. P0030 is always an electrical fault code with the O2 sensor circuit. It could be the sensor, connectors, wiring, fuse, or PCM. The problem is an ... Let's start with the P0030. Most likely a bad O2 or the heater control circuit. This is of course the 1/1 position so most likely the P0171 is setting as a ... FIX CODE P0030 HEATER CONTROL CIRCUIT BANK 1 SENSOR 1 BMW E46 E39 E83 E53 Z3 Z4 If you have BMW and you have code P0030 HO2S Heater Control ... ... 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 causes the P0030 code? Generally, if the code is cleared and reset, and the engine warning light comes back on along with the OBD-II code, this means that ... They ripped you off... replacing the sensor then cycling the ignition key on-off-on clears the code. There is no computer connection required. 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 ...