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  1. positive

    Z22SE For one year now I can't still make my car run smoothly

    Make a new livedata after ECU reset by disconnecing the battery terminal for some time (~30 minutes) to see whether the fuel trims are changed or not. The build up on all plugs should not be the effect of one leaky injector. Anyway, how about you plugs now?
  2. positive

    Reverse engineer ECU

    I think it is quite readable with a translator: https://translate.google.com/translate?hl=en&sl=auto&tl=en&u=https%3A%2F%2Fz22sevectra.blogspot.com%2F2019%2F01%2Fecu-14.html Have you tried to read in this way? So far I have 3 methods to disable the EGR functioning: - By setting all the EGR map...
  3. positive

    Reverse engineer ECU

    Only your immo and your ECU have to be paired. If you haven't changed them then there will be no task about it. I don't know whether TECH2 alter anything during or before the flashing, but if you write the raw binary then it is irrelevant what was in it at that section. The old info will be...
  4. positive

    Check Engine in Vectra C 16V

    I would change back the Delphi coil pack to see whether it is still functioning without fault codes in the "good" car. Then I would still check the connections and the wires around the coil pack. Many non-persistent problems are due to loose contacts or broken wires. Have you changed the rubber...
  5. positive

    Check Engine in Vectra C 16V

    Have you checked/replaced the spark plugs either? Does the coil pack still not produce fault code in the model 2005? How did you recognize the misfire issue? Is that completely disappeared?
  6. positive

    Check Engine in Vectra C 16V

    Are you sure? From 2004 C Vectra was built with Z22YH. https://www.opel-infos.de/modelle/vectra_c4t.html I don't think so.
  7. positive

    Check Engine in Vectra C 16V

    This is related to the Camshaft Position Sensor. https://www.obd-codes.com/p0340 Check the connections and the wires first. If these seem ok then you should replace the sensor itself.
  8. positive

    Check Engine in Vectra C 16V

    Would be useful to know what the fault code is. ;)
  9. positive

    Reverse engineer ECU

    No. I'm in Hungary.
  10. positive

    Reverse engineer ECU

    Finally I managed to completely disable the EGR by analyzing a lot of factory firmwares (thanks to ZakhooiTM). No more activity and no more fault codes. :) In addition I identified the subroutine and the structure that generates the fault codes, so theoretically it is possible to deactivate...
  11. positive

    Z22SE For one year now I can't still make my car run smoothly

    I don't think you fixed anything or maybe temporarily. The tip of the electrode, the thread, the ceramic body and the hexagon are like the new. The carbon build up is only the result of the overfuelling not the root cause. Since all the four is the same you can exclude a leaky injector. It...
  12. positive

    Z22SE For one year now I can't still make my car run smoothly

    All the four plugs look like the same?
  13. positive

    Reverse engineer ECU

    Hmm, that's no problem. The Astra and the Vectra firmware are quite similar. I've used this one for a few month for my car without any issues: 12594688AH / 12594690
  14. positive

    Reverse engineer ECU

    True.
  15. positive

    Reverse engineer ECU

    Printed on the ECU : 09391263 BA Inside the fw: 12215794
  16. positive

    Reverse engineer ECU

    It should remain connected. :( I have a firmware version where the EGR and the A/C are both disabled. I need the A/C so I cannot use this one. I'm currently running with a self customized firmware. All. :D Are you able to export any of them? All of them have a description? I am. ;) I tried it...
  17. positive

    Reverse engineer ECU

    With pleasure. But physical access to the car (or the ECU) is necessary. You should bring it to me. :)
  18. positive

    Rubber O-rings for Heater Matrix

    Try to validate the coolant temperature with an OBD2 tool and check it again in a warmer outside temperature. I have no other idea.
  19. positive

    Rubber O-rings for Heater Matrix

    I don't think that is abnormal at such a low outside temperature. You actually try to cooling down the coolant to increase the interior temperature and it dropped only a few degrees.
  20. positive

    Z22SE For one year now I can't still make my car run smoothly

    Why did you keep the EGR valve in its place? It seems it is in its normal position. Is the blanking plate under it? Have you checked it yet? An uncontrolled flowing of the exhaust gas can also cause overfuelling symptoms. I would also suggest to connect back the EGR valve for a short test but as...
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