JohnDover Posted October 26, 2021 Share Posted October 26, 2021 So check engine came on for the egr valve so i decided to blank it and disable it from the ecu, now car smokes black hard only when cold, but i restarted the ecu so its just car learning it self all over again or i have some other issues? I hear no hissing or puffing from the injectors. Quote Link to comment Share on other sites More sharing options...
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