once you start modding components, engine sensors will read diffrent flows.ect to stock and therefor thinks theres an error, you can either live with the cell/s or you can get a cel fix, some places sell them or you can diy with a resistor, another way is to move the sensor to read correctly, cant remember the product name, but its pointless if you plan on several mods because if you fix one cel, there will still be others for intake.ect.

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