Bank1 Sensor1 - Pre/post cat?
#1
Bank1 Sensor1 - Pre/post cat?
I'm not all too familar with the exhaust layouts on cars in general - but I have a code for this O2 sensor and was wondering if anyone could guide me in the right direction.
Is Bank 1 sensor 1 pre cat or post cat? The code reads that it concerns the heating circuit, which must mean it's post-cat?
Is this sensor hard to get to without a lift?
Thanks
Is Bank 1 sensor 1 pre cat or post cat? The code reads that it concerns the heating circuit, which must mean it's post-cat?
Is this sensor hard to get to without a lift?
Thanks
#4
Since it's heated, regardless of if it's post/pre-cat, shouldn't it be a 4-wire heated sensor or is it only a plain o2 sensor (3-wire)?
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