I Installed a 3" off-road downpipe onto my 07 and expected the codes obviously. I will be trying defoulers in the future (need to extend wires appearantly first), but it seems nowhere around me stocks them. But seeing as the defouler method sometimes doesn't work, I was thinking something else might
Ok, so my understanding of the rear o2 is this... It monitors how fast the sensor heats up, and it looks to see a value lower than the front o2 in regards to emissions. So when you run catless, it sees the same signal as the front o2 and throws a code. Wouldnt adding a specific resistor to the output reading that value make the computer happy? For example the front would read, say 4, the rear would then be resisted to reading 3.5 and think all is well. Random numbers. This idea would be keeping the stock o2 in like usual, but with the specific wire for that value having a resistor added in.
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