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  1. 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...
  2. S40 & V50 (2005-2012)
    Hello SwedeSpeed! I have a 05 v50 with a recently nonfunctional o2 sensor. This resulted in a check engine light and less performance. I ran an ECU check and it is the bank one o2 sensor I can't seem to find where they are located and am wondering if any of you have an idea? Also, I am wondering...
  3. S40 & V40, V40CC (CMA: 2019- )
    Hi everyone, searched the threads and couldn't find the answer I was looking for, so I just bought a Becker 3" downpipe, I am also upping my tune to stage 2 with the rear O2 sensor being deleted. I am posting because the downpipe came with an O2 sensor spacer but it only came with one, so my...
  4. XC60 (2010 - 2017)
    Happy New year to everyone. My 2011 XC60 T6 with 150K miles threw a P0420 code, my hand OBII wouldn't clear the code so I hooked up VIDA and sure enough the ECM fault code "Catalyst System Efficiency Below threshold (bank 1)" was there. Funny enough I was not able to delete the code using VIDA...
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