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Petrol in oil ???

Discussion in 'Engine & Transmission' started by Marksy, Apr 13, 2019.

  1. Marksy

    Marksy Member

    Messages:
    53
    Location:
    Perth
    Hi Everyone
    So after removing Kate’s engine and then draining the oil it smells and looks like there is petrol mixed in with it , just wondering if this has happened to anyone else or is it a huge wtf moment??
    Cheers
     
  2. cbus

    cbus Well-Known Member

    Messages:
    13,519
    Location:
    sunshine coast
    I'll bet you have an electric fuel pump and no lock off valve in fuel lines.?
    Fuel has likely siphoned from tank past a needle / seat valve then past rings into sump.
    Common issue.
    Especially if parked nose up.
     
  3. Barry

    Barry Well-Known Member

    Messages:
    6,002
    Location:
    Abbotsford NSW
    Or you have a hole in the diaphragm of your petrol pump
     

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