P0030 Code The Complete Troubleshooting and Repair Manual for Automotive Professionals

The code means that there is a problem with the heater element circuit of the heated oxygen sensor. Water getting inside the heated oxygen ... 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 ... P0030 may be defined as a code for HO2S heater control circuit (Bank 1 Sensor 1). This code indicates that the engine should operate properly; the engine ... Got the P0030 code yesterday. (Oxygen sensor heater circuit). What are the odds that this is the sensor itself vs wiring? It's not intermittent. Has anyone had trouble with the p0030 code. Says it is o2 heater intermittent/open. Can anyone help me with fixing this? ... My experience is with ... Re: P0030 and P0135 Codes ... Check the connector on the oxygen sensor between the cat and the cylinder head. Try disconnecting it and then ... ... . The garage gave me the fault code: P0030 - P0030 HO2S Heater Control Circuit (Bank 1 Sensor 1) Can this be fixed easily ? I've... The code says circuit not sensor is failing a test. Check the wiring and/or connectors. Don't mess with Binky Bear! 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, ... ... 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 ...