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Automotive electricity

There is no pulse in a 2003 platen injector

epsoniano

hace 5 años

Hello, I have a 2003 stage, it started to shake a lot and lost power, I took it to the only one and tested the coils, and it says that all are well, so he put the scanner in and threw in the nozzle number two, so he checked and no pulse reaches that injector, others do work, except that one. Just that he told me it could be a damaged cable or the computer, but there is no other to prove, Could you help me diagnose the failure? How can I know if there is an open circuit? Any tip? Thanks in advance

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Mangel HH

19.786

hace 5 años

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hace 5 años

Hi. It would be useful to look for the corresponding input pin to the injector 2 and take the input and output signal of the Ecu (it would correspond to pin number 90 of the latter but it is necessary to corroborate the circuit since it varies according to models and factory origin). Many failures are simple causes of false contacts of rust or dirt. Salu2.

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epsoniano

hace 5 años

Thank you very much for the data, I will check it and tell you what you find

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epsoniano

hace 5 años

I already found the fault, apparently the mechanic did not do his homework well, yesterday I went to check the lines of the ecm to the injectors, and everything is in order, so I prepared to check the pulse of the injectors again and assembled a Led tester, and I checked the pulse again and in ALL YOU HAD PULSE.
so I measured the impedance of the injectors with the ohmmeter and number two is open, there is the problem, it was always the injector and the mechanic did not detect it
Thank you

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