Quote:
Originally Posted by timmydatooth
Sorry but I really don't know about defs and tunes too well. I just put them on my OFT and write them to my car. Is shiv and the OFT guys fixing this for the v4 tunes? Is it better for me to just switch back to the v2.076 tunes just so that I do not get that CEL to come on anymore? Just don't want to leave the v4 tune on if it is hurting my car...
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P0420 wont hurt car, its just annoying and will mask other real issues that may occurr