E46 318 E46 318i Starting Problem
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  1. #1
    The older I get the wrong bit gets stiff !!
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    jcjdavis1's Avatar
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    Year
    2000
    Model
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    E46 318i Starting Problem

    Hi. Have had this problem since I bought the car. After car sat eg overnight and the temperature is low the car will not start unless I repeatedly turn the ignition on/off and pump the throttle pedal, after that it runs fine when started. Here is a list of parts replaced-
    Fuel Pump, Thermostat, Engine Temp. Sensor, Crankshaft Sensor, Camshaft Sensor, MAF, all Vacuum/Breather hoses, Fuel Filter, Throttle Position Sensor, also cleaned the Throttle Body.
    Lately the engine will not start after the engine has been off for a short time, it turns over then dies, but if you pump the throttle it will start, sometimes it will backfire.
    Any help/ideas will be gladly welcomed. Thanks. Jim

  2. #2
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    dailydoggy's Avatar
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    you had it hooked up to inpa software?

  3. #3
    The older I get the wrong bit gets stiff !!
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    Hi. BMW said and I quote 'one of the old hands thinks it might be the headgasket' unquote , and the other 2 garages showed no codes. Jim

  4. #4
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    E46 318i Starting Problem

    Quote Originally Posted by jcjdavis1 View Post
    Hi. BMW said and I quote 'one of the old hands thinks it might be the headgasket' unquote , and the other 2 garages showed no codes. Jim
    Get it pressure tested before going ahead and assuming its the head gasket

  5. #5
    The older I get the wrong bit gets stiff !!
    BFI Noob
    jcjdavis1's Avatar
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    Hi. I don't think the HG is the fault as it has never used any oil or coolant, or any sign of mayo anywhere. The car runs fine in the warm weather I just get a problem when winter comes. Jim

  6. #6
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    Has the engine live data been looked at? All the sensors look to be reading correctly? looking at the live readings may show up a issue with a sensor or highlight a wiring/ECU connectivity issue.
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  7. #7
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    a bit of investigating with inpa might bear some fruit...

  8. #8
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    Hi Jim,
    Just sorted a similiar problem on a peugeot, struggling to start, starting then cutting out. It was the fuel pump playing up.
    Read a tech bulletin about a dodgy oil level sensor causing starting problems. Another thing to consider is the timing.

  9. #9
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    WOW, that's starting to sound expensive
    Reading the above symptoms it's tempting to think of a fuel delivery problem but that would happen in all temperatures regardless and you'd be unlucky to still have a pressure leak after all the work you've done. The temp change says electrics to me - sorry. Some good advice already given above, I hope you live near to a forum stalwart with INPA who can get you sorted?

  10. #10
    The older I get the wrong bit gets stiff !!
    BFI Noob
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    Quote Originally Posted by mojo View Post
    Hi Jim,
    Just sorted a similiar problem on a peugeot, struggling to start, starting then cutting out. It was the fuel pump playing up.
    Read a tech bulletin about a dodgy oil level sensor causing starting problems. Another thing to consider is the timing.
    Hi. The O.L.S. is next on the list, if that doesn't work then I think it will have to go. I have spent enough on the car. Thanks all for their input. Jim

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