Even though the engine control unit no longer shows any errors after repair, the engine still won't start?

For three weeks, no one has known what the problem is. Even though the control unit was repaired, the workshop said there are still errors in the control unit. I took it back to the "programmer," and they said there are no more errors in the control unit; it could just be something else. Now I'm getting it again. But the workshop that installed it for me can't get my car started. Could it be the injector? The engine just won't start šŸ™

Seat Ibiza 6j 2009

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Peppie85
3 years ago

you have to go step by step…

  • air
  • mechanical energy
  • Fuel
  • light spark (only with petrol)

that must be all there to get the motor on, you have to go one by one…

  • running the electric prefeed pump
  • open the injection valves
  • the mechanical control times of the valves
  • is the best

I’d like to ask

lg, anna

Peppie85
3 years ago

I would first check whether the cabling from the respective outlet of the percussion device to the injection nozzles is in order and even more importantly – if the injection nozzles are controlled via a positive signal, whether they have a corresponding mass or if they are controlled via a negative signal whether the pluspol is there.

because my crystal ball is just in the workshop, and I am too lazy to look out for the schematics myself, I can’t tell you which of the two variants is now.

lg, anna

Eistee208
3 years ago

does the remote lock light flash when igniting?