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![]() ![]() ![]() Drives: 2007 Toyota Yaris 3 door Join Date: Sep 2018
Location: Arizona
Posts: 425
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Catless CEL problem
Hello, I recently did a straight pipe boom tube on my yaris and tried putting in an 90 degree o2 bung but it still shows p0420 code, anyone know of any tricks or hacks to bypass the p0420 code? thanks!
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