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I have received codes PO183 PO446 PO463

Could all of these be caused by a faulty fuel pump?
Vehicle: 1997 Subaru Legacy

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HI there,

The P0183 and the P0463 are fuel pump related codes and could either indicate a problem with the wiring or the sending unit. The actual fuel pump itself is probably not the issue since the sending unit can be replaced separately on this model.

The P0446 is an evap emissions code. The system will have to be smoke tested to check for leaks.

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