johnjapan Posted October 23, 2019 Share Posted October 23, 2019 (edited) So I received my 2006 Legacy Touring Wagon (2.0 GT) on Monday evening and did a fair bit of driving without issues yesterday. I switched the engine on to drive to work this morning (Wednesday) only to find that the check engine light is on, and the Sport/Sport Sharp/Intelligent mode display is flashing on "Sport" and any attempts to switch to S# or I is greeted with 2 beeps but nothing else. Yesterday and also today it has stalled while I've been reversing, despite being an automatic transmission. I do have a warranty with it, but the garage is closed today, and of course I'd like more information about what it could be for myself so that they don't lie to me. I've seen suggestion that it can be the O2 sensor fuse, although on fuse box diagrams I've found online I can't seem to find a fuse for that, nor could I see it on the diagram in the car, although part of that is obscured by a toll card reader. Does anyone know what this problem is likely to be? Thanks in advance. Edited October 23, 2019 by johnjapan Link to comment Share on other sites More sharing options...
moral hazard Posted October 23, 2019 Share Posted October 23, 2019 Could be a vacuum leak that caused the stall. That might also have caused your CEL and limp mode. Best way to diag would be scan it with an OBD2 fault code scanner. Some automotive stores will do that for you. Link to comment Share on other sites More sharing options...
johnjapan Posted October 24, 2019 Author Share Posted October 24, 2019 (edited) So I took it back to the shop and all they did was clear the code and tell me that it's because the battery is dying. So I took it to a national car maintenance chain and was told that the battery isn't great, but it's OK. They also told me that the cause of the code isn't likely to be the battery - which makes a lot of sense, considering the car would be running on the alternator when running. Anyway, the code is P0410, which my reader tells me is "Secondary air injection system". Edited October 31, 2019 by johnjapan Removed incorrect assumption Link to comment Share on other sites More sharing options...
johnjapan Posted October 31, 2019 Author Share Posted October 31, 2019 So Subaru estimated about US$740 (80,000 yen) for repairing this. I'm not exactly sure what work needs doing in particular to resolve the problem. I also had a stall yesterday going forwards (I pulled into a junction and slowed down to let a car pass, only for the engine to stop). Is this likely to be related to the P0410 code? Could it be the EGR valve? Link to comment Share on other sites More sharing options...
moral hazard Posted November 1, 2019 Share Posted November 1, 2019 Worth looking at this: https://legacygt.com/forums/showthread.php/2007-2009-air-pump-delete-cel-codes-and-ecu-fix-140259.html Link to comment Share on other sites More sharing options...
johnjapan Posted November 2, 2019 Author Share Posted November 2, 2019 Worth looking at this: https://legacygt.com/forums/showthread.php/2007-2009-air-pump-delete-cel-codes-and-ecu-fix-140259.html Thank you. I might not be able to do such a mod over here, but it's good to see the parts involved and where they are. Link to comment Share on other sites More sharing options...
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