DIY for O2 sensor replacement

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Originally Posted by texomawaves

I find it strange why my Durametric said P1126 was a fuel pump relay. I'll have to see if I need to upgrade my app. I hope so! I paid $300 for it.

Maybe just a setup issue with your software. Different error codes mean different things depending on your car's DME. a 98 Boxster runs Motronic 5.2.2, a 2003 Boxster runs Motronic 7.8 with different error codes for each.

Make sure your Durametric software knows you are plugging into a Motronic 5.2.2 car and it will probably get it right.