coolant leak, high idle

Discussion in 'Technical' started by matszx, Oct 24, 2011.

  1. matszx

    matszx New Member

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    Just fix a slight coolant leak in my car, clamp on the top hose had come loose,

    Only problem now is idle wont drop below 1500,
    tried adjusting base idle
    tried cleaning TPS sensor connections
    tried cleaning cool temp sensor
    filled up coolant, all air bubbles are gone
    there was abit of coolant splashed onto the front of the engine but it didnt get soaked or anything like that, temps are normal, no error codes


    anyone provide any advise as to what could have gone wrong

    taken the car for a very short drive, there is no problem with power or delivery, the idle just wont drop
     
  2. Fists

    Fists Well-Known Member

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    Simple things first, your aircon/demister is off? And by top hose you mean the return hose to the radiator yeah?
     
  3. Anti

    Anti 14.7 x 14.7 = 44.1

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    Are you throwing any error codes? My idle was rubbish when my DET sensor was acting up.
     
  4. matszx

    matszx New Member

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    I was getting coolant temp sensor but only after I un plugged it and didn't plug it in right

    By the top pipe I mean return to engine via the lower hard pipe.

    Does anyone know if the car will be safe to
    Drive with the high idle. On the short drives I've done. Everything else is fine just the idle
    I'm fresh out of ideas. An really need a car
     
  5. matszx

    matszx New Member

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    bump any ideas
     
  6. Fists

    Fists Well-Known Member

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    The code for temp sensor has been cleared yeah?
    how high did you rev on the drive? is it possible you have something choking your intake, that would increase idle but it'd die under load.
    Other than that anything I can think of would give a code normaly, many aftermarket components? bodged AFM or O2 sensors may have an effect.
    Also have you run O2 sensor diagnostics to see whether its running lean or rich?
     

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