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P0037 SUBARU -

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I have a 2004 Outback 2.5L. My check engine light is on with (P0037) code. I have changed the rear left sensor (bank 1 sensor 2) but continue to get this code. When I remove and replace the (heater sensor) fuse the light goes out but comes back on. Can anyone help me with this issue?

Vehicle: 2004 Subaru Legacy Outback 2.5L.

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Not only do you have a fuse going to the rear 02 sensor but a relay, P0037 By disconnecting the fuse you just proved that you have a open between the main relay and the rear 02 sensor

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