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Engine runs on after ignition switched off

  • 07-01-2010 11:54am
    #1
    JasonEFlood
    Closed Accounts Posts: 16 ✭


    Hi guys,

    I have a volvo penta petrol engine, and I recently fitted a new timing belt and replaced the head. (timing belt snapped at sea - unnoticed drip in radiator caused salt to build up belt and 'sand' it in two... it was a good day)

    Anyway - I have replaced it all, but when the engine runs for a while... 30 mins, when I turn the ignition off, it runs on for 20 seconds or so... then shuts off.

    I have some ideas why this might be happening - but I am just wondering if anyone else has ideas. I dont think in this case the engine model is important, as I think this problem could happen with any inboard engine... but just incase it is an AQ171C

    All the best


Comments

  • #2
    stifz
    Closed Accounts Posts: 315 ✭✭stifz


    Mine did that also. Had it all packed up ready to go. Test start and would'nt cut off. I pulled the power to the coil and it died. I re connected. went inside to get more stuff and the coil pop and smoked up .. Im guessing a dodgy ignition switch. Ive since fitted a kill switch to the coil and i need to replace the ignition unit for next season.


  • #3
    matt-dublin
    Registered Users, Registered Users 2 Posts: 4,468 ✭✭✭matt-dublin


    head gasket is gone, when you replaced the head did you replace the head gasket as well?


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