I have a P0037 code on my 2012 Mitsubishi gallant 4cyl. ES. I went to auto zone to have it looked at and the receipts reads: definition: oxygen sensor heater control circuit low-bank 1 heated oxygen sensor- bank 1 sensor 2 (H02s12) Probable cause: -H02S12 heater circuit open or shorted -Failed heated oxygen sensor- bank 1 sensor 2 what does this mean exactly should I have the sensor replaced or the connectors? how many does this mean I have to buy? which should I buy?
SOURCE: i have my check engine light on and a p0031 error
On toyotas this is almost always a failed o2 period. Take it somewhere and have it put in. On v6's it is not that easy to get to.
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