APRES QUELQUES RECHERCHE
Performance - In some systems, it may be possible to drive without noticing any difference. In fact, if the injectors have not been coded, it is unlikely that the customer will achieve optimal vehicle performance. Faults can occur after some time.
No start - In newer systems, if you do not enter the injector codes, the vehicle will not start
Low performance / irregular engine running - because the injectors are not coded, the ECU will continue dosing as if the previous injector was still present, which could cause poor performance.
How do I know if the injector I purchased needs coding?
DELPHI Common Rail Injectors - Always require engine coding. Typical code is 16 alphanumeric characters (C2i injectors) or 20 characters for newer applications (C3i injectors). The code is usually located on the injector head.
DENSO Common Rail injectors - Generally all require coding, although some very early versions may not. A typical code length is 16-24 alphanumeric characters depending on the vehicle make. The code is usually found on the injector connector. You can also use the QR code found on the injector for this information.
VDO / Siemens Common Rail Injectors - Only VW applications require coding at this time. The typical length is 6 digits and is located on the injector head.
BOSCH Common Rail Injectors - generally all require coding, although some older versions may not. In simple terms, if the IMA code is present, then the injector will need coding. The typical code length is 6-10 digits and is located on the injector connector head.
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