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Thread: 300TDi wont turn off

  1. #1
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    300TDi wont turn off

    Hey folks,

    I have a fix-er-up 300TDi Disco whose engine continues to run even when the key is turned off. Even when disconnecting the power line from the fuel solenoid, it continues to run.
    Are these solenoids known for sticking?
    I have heard that an oil leak in the intake line (turbo etc) can cause the engine to keep running - but i presume it would sound rough etc? At the moment when it continues to run it is still purring like a kitten.
    Anything besides the solenoid i should check?

    Cheers!
    97 Disco 300Tdi, front & rear diff locked, hybrid turbo, full width intercooler, cranked front & rear arms,
    2” dobinson coils, terrafirma shocks, HD steering arms, diff guards, rocksliders, domin8r winch, tank guard

  2. #2
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    Try this link. It may help. My thought was stop solenoid. Can you stall it as a temporary measure or is it an auto?

    300tdi Engine NO shut off - Discovery Forum - LR4x4 - The Land Rover Forum
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  3. #3
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    Quote Originally Posted by cripesamighty View Post
    Can you stall it as a temporary measure or is it an auto?
    Yep, It's a manual - I've just been stalling it to turn it off.
    97 Disco 300Tdi, front & rear diff locked, hybrid turbo, full width intercooler, cranked front & rear arms,
    2” dobinson coils, terrafirma shocks, HD steering arms, diff guards, rocksliders, domin8r winch, tank guard

  4. #4
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    Does the solenoid push or pull when given a live feed to allow fuel delivery?
    97 Disco 300Tdi, front & rear diff locked, hybrid turbo, full width intercooler, cranked front & rear arms,
    2” dobinson coils, terrafirma shocks, HD steering arms, diff guards, rocksliders, domin8r winch, tank guard

  5. #5
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    Make sure it is not running on oil through the turbo! I.e. Diesel runaway.

    Runaway 300tdi | LandyZone - Land Rover Forum
    1996 Disco 1 300TDI manual - Lucille a cantankerous red head! :D
    1997 Disco 1 300TDI Auto - sold

  6. #6
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    Quote Originally Posted by Finnius View Post
    Does the solenoid push or pull when given a live feed to allow fuel delivery?
    It will pull into the body of the solenoid.
    '95 Defender 130 Single Cab
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