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After replacing the injectors, were the injector codes newly taught into the control unit?
Each injector has a code at the top. This code must be stored in the control unit. This code indicates the internal manufacturing tolerances of the injector. The control unit then adjusts the injection quantity accordingly. If this is not done, the car runs very badly or not at all.
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Are the injecors at the same Cylinder Numbers like in the old engine?
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What fault codes are stored in the control unit?