2006 Hyundai Elantra "p0030 code p2237" Questions

...P0030 P0171 and a P2237 pending code on a 2005 elantra.The car runs poorly, bad gas mileage, sluggish with the check engine light on.Are all O2 sensors bad or maybe the cats plugged up? Any ideas? ...

I have codes p0030. P0420 and P2237 on my 2006 Hyundai elantra search online using code. it OBD 2 and standard code for vehicles

...P0030 and P2237. Are these related to the Oxygen Sensor Hi, I can help. The codes both point to an Oxygen Sensor failure. Bank 1 Sensor1. This is the first sensor right off the back of the manifold. ...

My 2008 Kia spectra has 2 codes p0030 and p2237 what's does it mean P0030: P0030 HO2S Heater Control Circuit B1S1 P2237: P2237 O2 Sensor Positive Current Control Circuit Open Bank 1 Sensor 1

...can u tell me what they are?? p2237 p2243 p0030 p0140 p0171... I have a 2005 Kia Spectra. The check engine light has been on and i got it checked. What does engine codes P0030 and