Supercharge Your Engine Unlocking the Secrets of P0030

Problems/Service/Repairs - Codes p0030, p0033, and p0135 - I have a 2006 HHR w/2.4 engine. I'm getting check engine light w/codes p0030, ... Code P0030 means there's a problem with the heater element circuit in Bank 1 Sensor 1. Our expert mechanics can help resolve this issue. My cars code is p0030 and refers to fault in heated part of O2 or bad ECM. I believe the heater part is not working cause car has rough start and runs rough ... the error's are saying both of them are having issues. i would start checking the Accessory hardness that exits the cowl by the passenger side ... P0030 HO2S Heater Control Circuit Bank 1 Sensor 1. (1/1). siphonfilter: http://engine-codes.com/p0030.html. Hi, I have a 2003 Subaru Legacy, I replaced the ... From what I found the pre heater in the o2 sensor is no longer working . So replace it should be good . Also I would check the wiring to make ... Possible Solutions · Inspect and test O2 sensor heater circuit as per repair manual · Inspect and test wiring harness as per wiring diagram · Replace ECM if O2 ... 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 ... The car is getting the intermittent stumble like its missing when it is cold. Wiring looks good. No breaks or cuts visibly present. 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 ...