XC90 T6 Lambda sensor question
Discussion
I have been told by a diagnostics expert I trust that my daughter's 2005 XC90 T6 needs a new lambda sensor, the one before the cat.
Fine, decided to get one off one of the reputable spares vendors on the bay of the mighty flea.
Tried to get a part number, to be told by a Volvo dealer that it has two pre-cat lambdas, left and right.
But it's a transverse straight six engine, not a V6 (or V8). So why two? I can only see one pre, one post-cat lambda when I look down the back of the engine.
Does anyone out there have the knowledge to tell me which part I should be ordering please? And where the plug connects into the loom?
Thanks
Fine, decided to get one off one of the reputable spares vendors on the bay of the mighty flea.
Tried to get a part number, to be told by a Volvo dealer that it has two pre-cat lambdas, left and right.
But it's a transverse straight six engine, not a V6 (or V8). So why two? I can only see one pre, one post-cat lambda when I look down the back of the engine.
Does anyone out there have the knowledge to tell me which part I should be ordering please? And where the plug connects into the loom?
Thanks
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