firstbornson
Member
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- 2002 Mazda Protege5
Maybe I'm not searching right but I can't find any straight answers on this thing. I keep throwing the code after resetting so I know I need to replace it. So I need to know where it is and what it is. Is it the same as the EGR? I am confused. But I am constantly throwing the code for this and for the rear O2 sensor (P0037). So if any one can elaborate on these two codes it would be greatly appreciated.