2000 E46 318ci - Engine Management Light

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  1. 2000 E46 318ci - Engine Management Light 
    #1
    BMW Master
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    M4RKY N's Car Details
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    I had a blocked Thermal stat so i took it out, bought a new one and plugged it all back in and the car is running perfect again. Temp is where its ment to be, car's inside heater's are spot on. Drive it for about 10 - 15 minute's and the engine management light came on. I parked it up, locked it and left it for around half an hour. Come back to start it up and the light is still on?! Anyone know why this might be?

    Thank's
     
     

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    You'd have to get the codes read off !

    Also, what the hell was it blocked up with ? I dread to think what the rest of your cooling system is like !
     
     

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    #3
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    the actual thermo stat was seized. Its the 2nd one i have had!! And these where brand new aswell. This one seem's to be doing its job tho. I have read that you can reset the light yourself?! How can i do this?
     
     

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    Oh right - Maybe you had a cheap thermostat, and it stuck prematurely ?!?

    As for the EML, I think your thinking about the Service Indicator - You can't reset the EML yourself.... You need to get the codes read, then reset !
     
     

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    oh right ok mate! thanks for the help! Will i need to take this to BMW Dealer ship? Or any garage that has a diagnostic machine can do this? About how much will i be looking at for this to be done do you think?


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    The EML/check engine etc always rechecks itself, and doesn't need a reset.
    If the problem is fixed, it'll go away after it realises.

    You will need a code read to find out what it has a problem with, as there is a lot of things that can upset it, and you'd have to check everything without knowing what the ECU thinks.
     
     

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    #7
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    Quote Originally Posted by TheEnd View Post
    The EML/check engine etc always rechecks itself, and doesn't need a reset.
    If the problem is fixed, it'll go away after it realises.

    You will need a code read to find out what it has a problem with, as there is a lot of things that can upset it, and you'd have to check everything without knowing what the ECU thinks.
    So shall i run the car for a few day's and see if it goes out on it's own? I know the car is running fine, apart from the cooling fan running all the time, but am going to get that looked at soon anyway. And i know it wouldnt be that making it come on cause the fan has been like that since day one, and the engine management light has only come on since changing the thermal sensor


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    Maybe there is something up with the new sensor, but try it out for a week, keep an eye out for any other problems, and if it is still there, get the codes checked.
     
     

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    M4RKY N (08-10-2010)

  12.  
    #9
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    Quote Originally Posted by TheEnd View Post
    Maybe there is something up with the new sensor, but try it out for a week, keep an eye out for any other problems, and if it is still there, get the codes checked.
    ok thanks. ill run it for a few days and see how it goes


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    #10
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    Got the car checked out and there was 12 problem's with it, so got them all fixed and the engine light went out

    Drove into chester today, about 20minute drive from where i live, still no light... Drive back out of chester to head home... Light come's back on :(

    Am going to get it plugged into the computer this saturday coming up in BMW and see what it bring's up. Will the car still be ok to run? Or should i try and leave it as much as possible? Everything is working ok tho, oil is spot on, water level ok, idling ok... etc etc


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