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Ducato 2.2 2008: Uneven Performance, Autocom P0094 Error, Fuel Pressure & Dose Variations

wecia91 8871 6
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
  • #1 16325264
    wecia91
    Level 18  
    Hello, ducato 2.2 2008, it works unevenly, the read errors autocom P0094, the parameter, the readings go crazy, the measured fuel pressure 114-400, the set fuel pressure 230-500, the fuel dose 0.0-24, the set fuel dose 0.0-33. The car can also normalize itself sometimes, but when I add gas or turn it off and start it, it goes crazy and after two minutes it goes out, when the readings are evenly read, the measured fuel pressure is 220, the set fuel pressure is 230, the fuel dose is set to 5.5. can cause this condition, maybe someone has processed such a failure.
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  • #2 16328060
    KarizmoGSM

    Level 28  
    You have a leak somewhere, stick your head and you will find out, no one will buy a glass.

    It should be 300 bar at idle, or the regulator on the pump sits down
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  • #3 16328438
    wecia91
    Level 18  
    a head and even a webcam were put under the mask with zero leakage
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  • #4 16328604
    KarizmoGSM

    Level 28  
    What about the rest of what I wrote about?
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  • #5 16435765
    Piiotrekb5
    Level 2  
    Hello. And I have such a problem with Ducato 2.2 puma. After the engine overhaul, when I start it, it works perfectly for 10-15 seconds, and then it starts to go crazy, throws it as if he did not go to all the pots. Faults in the sensor on the injection rail. This sensor was replaced with a new one (it did not help) I replaced the pressure regulator with the pump too. What may be, there is no connection, can the wiring harness checked, the wires from the sensors are ringed ok. The plugs are covered with contact. The injectors also tested PPPA before the renovation, regenerated. I have no idea. Maybe someone had a similar problem. The only thing that is interesting is when I pulled the plug from the regulator on the pump during uneven work, it starts to work normally
  • #6 16435791
    KarizmoGSM

    Level 28  
    as you have probably noticed the trash regulator
  • #7 16435799
    Piiotrekb5
    Level 2  
    I thought so too, but I mentioned it and it's the same, that's why I write on the forum, and in the post I wrote that it was mentioned and nothing

Topic summary

The discussion revolves around a 2008 Ducato 2.2 experiencing uneven performance, indicated by error code P0094 and fluctuating fuel pressure and dosing readings. Users suggest potential causes such as fuel leaks, faulty pressure regulators, and issues with the injection rail sensor. One user notes that after an engine overhaul, the vehicle runs well initially but then exhibits erratic behavior, leading to further investigation of the wiring and injectors. The conversation highlights the importance of checking for leaks and the functionality of the fuel pressure regulator, as well as the possibility of wiring issues affecting sensor performance.
Summary generated by the language model.
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