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BMW E36 1.8i: No Current at Fuel Pump When Ignition Off, Current Present When Starter Turned

Madoo 7170 8
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #1 16344040
    Madoo
    Level 7  
    Hello, I have a problem with Bmw e36 1.8i - that does not start. When the ignition is turned off, there is no current at the fuel pump, but when the starter is turned, there is current at the pump. The spark in candles is.
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  • #2 16344080
    drdrug
    Level 18  
    What does the computer show?
    Is the shaft position sensor OK?
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  • #3 16344103
    Madoo
    Level 7  
    I did not connect the computer, and the sensor seems to be functional because there would be no spark? I will add that once I was able to fire for 5sec.
  • #4 16344193
    drdrug
    Level 18  
    The spark will be but not at the moment what you need.
    Okay, and is there fuel on the slat during mowing? maybe the pump is running out and does not pressurize?
    If there is electricity on the ankle then see if it pumps fuel during the turning process
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  • #5 16344204
    Madoo
    Level 7  
    As I had the candles twisted and I turned the starter, it was stinking with gasoline. And the electricity should also be after switching on the ignition for a few sec, if I'm not mistaken.
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  • #6 16344239
    drdrug
    Level 18  
    They could stink of residue in the rail, fuel lines. Fasten the pressure gauge on a strip or at least pull the fuel hose to the bottle and see if the pump feeds fuel there with pressure or just peeing. And the best will be to handle the computer and check for errors
    There are several possibilities.
    Shaft sensor, fuel pump, pump relay, ews etc. start from the basic operations later you can think further.
  • #7 16344390
    Madoo
    Level 7  
    Ews functional repaired a few days ago :) and for the rest I will call you like a computer connection ;)
  • #8 16348429
    Madoo
    Level 7  
    Hello and already after the problem, it turned out that this type gets electricity on the fuel pump only when turning the starter and the pump was out of order I bought a new and hula many thanks for help
  • #9 16348608
    drdrug
    Level 18  
    Please, can be closed ;-)
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Topic summary

The discussion revolves around a BMW E36 1.8i that fails to start due to a lack of current at the fuel pump when the ignition is off, while current is present when the starter is engaged. Initial troubleshooting suggests checking the shaft position sensor and fuel pressure. The owner confirms the spark plugs are firing and that fuel is present, indicating the pump may not be pressurizing correctly. After further investigation, it was determined that the fuel pump was faulty, and replacing it resolved the issue. The owner expressed gratitude for the assistance received in diagnosing the problem.
Summary generated by the language model.
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