Good morning mates,
I had a supercharge golf mk6 which I have done a stage one for it
after that, the guy has a strange noise in engine and there was no dtc
dealer told him to resore ORI in order to get the dtc
and when we did we came to find that he had a bad coil
why dtc won't appear when moded file is written on car ?
tuner told me that he did not any dtc off !
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