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Thread: difficulties starting when cold?

  1. #1
    Join Date
    Jul 2005
    Location
    Toronto Canada
    Posts
    76

    Default difficulties starting when cold?

    of course its gotten cold latley and one morning last week the temp fell pretty good and the ride was being stubborn to start..but after a few quick tries it relented and ran great. after that no probs.

    due to the arrival of cold weather and its friend winter,

    is anybody getting or had probs starting their cars when cold and want to share some of your findings.

    thanks

    dablack
    92-535

  2. #2
    Join Date
    Oct 2005
    Location
    Chicago
    Posts
    378

    Default

    turns over a little more slowly, but still fires up
    _

  3. #3
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
    Posts
    14,839

    Default

    use some nice 0w-30 or 40 synthetic oil, makes it seem like its summer spinning to start.
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  4. #4
    Join Date
    Nov 2006
    Location
    Germany
    Posts
    475

    Default

    Quote Originally Posted by DABLACK
    of course its gotten cold latley and one morning last week the temp fell pretty good and the ride was being stubborn to start..but after a few quick tries it relented and ran great. after that no probs.

    due to the arrival of cold weather and its friend winter,

    is anybody getting or had probs starting their cars when cold and want to share some of your findings.

    thanks
    Dirty injectors causing bad spray pattern?

    When the engine is cold, the misting quality of the injectors really comes into play. Gunk in the injector tip gets in the way of making a really fine mist which is needed to properly atomize the fuel in the cold conditions.

    Run a tank of once-an-oil-change strength injector cleaner through it and see what happens. Make sure you spend some time at WOT to really flow the cleaner through the injectors.

  5. #5
    Join Date
    Jul 2005
    Location
    Toronto Canada
    Posts
    76

    Default

    sorry bsell what is WOT?
    my internet lingo is not so sharp

    Thanks

    Quote Originally Posted by bsell
    Dirty injectors causing bad spray pattern?

    When the engine is cold, the misting quality of the injectors really comes into play. Gunk in the injector tip gets in the way of making a really fine mist which is needed to properly atomize the fuel in the cold conditions.

    Run a tank of once-an-oil-change strength injector cleaner through it and see what happens. Make sure you spend some time at WOT to really flow the cleaner through the injectors.

    dablack
    92-535

  6. #6
    Join Date
    Jul 2005
    Location
    New York
    Posts
    1,750

    Default

    Wide Open Throttle


    Quote Originally Posted by Alexlind123
    You're my hero.

  7. #7
    Join Date
    Jan 2004
    Location
    Thunder Bay, Ontario
    Posts
    2,538

    Default

    Quote Originally Posted by DABLACK
    sorry bsell what is WOT?
    my internet lingo is not so sharp

    Thanks
    W= WIDE

    O= OPEN

    T= TWAT, oooops, I mean THROTTLE


    10/90 Build 525im, 630,000+km, Eibach/Sachs, Engine Rebuild
    *RIP Oskar the DOG *

  8. #8
    Join Date
    Dec 2003
    Posts
    597

    Default

    aka "italian tuneup"

    my 5 fired up this morning despite it being -12. opened the passenger door to put the kid in, reached over, inserted the key and cranked it. my neighbor, who was sitting a few feet away burning the starter up on his car, wasn't amused.

  9. #9
    Join Date
    Nov 2006
    Location
    Germany
    Posts
    475

    Default

    Quote Originally Posted by rickm
    aka "italian tuneup"

    my 5 fired up this morning despite it being -12. opened the passenger door to put the kid in, reached over, inserted the key and cranked it. my neighbor, who was sitting a few feet away burning the starter up on his car, wasn't amused.
    Learned it as a 'Porsche tune-up', as in people putter around with the old mechanical injection systems in the early 911's and clog up the intake/combustion chambers. So the mechanic gets into the car for the 'road test' and wrings the engine's neck a couple times, blowing all of that crap out of her lungs. Brings the car back to the parking spot and wala, the 'Porsche tune-up' is finished.

    Of course this assumes all settings (spark plug gap, points gap, timing, valves, etc.) are square. There really is no substitute for some time spent with the throttle wide open and the engine in the upper third of it's rev range for cleaning out the upper end of the engine.

  10. #10
    Join Date
    Jul 2006
    Location
    El Paso TX
    Posts
    1,534

    Default

    Mine lopes hard enough to stall out when the engine is completely cold and I just turn the key.
    I turn the key on, depress the accelerator to the floor once, release and it starts right up... after firing off once you don't need to do anything but turn the key until the next morning.
    Last edited by attack eagle; 12-09-2006 at 08:48 AM.

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