General Volvo Discussions
Hi all,
(2005 Volvo S40 2.4i) I've been battling with a P0037 DTC (or 2A10 for Volvo specific), even after replacing the O2 sensor. I did replace it with a very cheap one I found on Amazon, but I want to see if I can determine whether it is still the sensor itself before I get a Bosch sensor to...