Having problems with your Hyundai Elantra ?

I have p2243, p0171, p0030 code on my 2005 hyundai elantra what does it mean

\015 The check engine light is on and i'm getting poor gas mileage\015 Posted / edited by AnonymousUser on : 02-12-2019

Answers :

P2243 Oxygen reference voltage circuit/open,this is a enhance code.
P0171 Fuel system lean bank 1, this is a generic code,
P0030 Oxygen heater control circuit open or shorted to ground,this is a enhance code, You are going to spend time and money trying to diagnosis this 02 sensor, just replace it,when a 02 sensor fails the ECM defaults to a subsituted value 3_27_2012_6_12_26_am.jpg
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