Stock fuel injection / 034 EFI

Zsolt Kovacs zsolt1 at telusplanet.net
Thu Jun 13 10:27:40 EDT 2002


Thanks, sounds like you have it all figured out.
  Zsolt

JShadzi at aol.com wrote:

> The system has never been "tested" in -40 per say, but it can still be
> tuned to start and run at that climate (though I'm not sure any cars
> are firing right up and running, without an extensive warm up, very
> well in that temp, are they?)  I lived in the midwest for until I was
> 18, I don't remember any car my parents ever had liking to start in
> the sub zero temps.  It used to hit -40 in MN and NE, but I don't
> remember too many people actually trying to drive  =)
>
> Anyway, even though the lowest range is -13 to 3 (which can be really
> considered 3 degrees and below), at this point, fueling can be set so
> that a compromise between rich and lean can be had up until the next
> adjustment range, which is 3 to 19.  Starting will not be an issue at
> all, since the number of cold start pulses is very programmable, it
> may just run a little lean with water temps at a full -40, then a
> little rich at 3, until it hits 2 degrees and another adjustment value
> is available.
>
> Of course, remember that the ecu is not measuring outside air temp or
> even wind chill, but the water and air temps in the engine at the time
> which likely won't be -40.
>
> Javad
>
> In a message dated 6/13/2002 7:08:46 AM Pacific Daylight Time,
> zsolt1 at telusplanet.net writes:
>
>>
>> I am still wondering about very cold temperatures. -13C is not that cold
>> at all. Audi is my winter car here, and in extreme cases it can get down
>> to -40 (which is the same in C and F). If  it does not start in the
>> winter, it kind of defeats the purpose. Does anyone run their system in
>> a cold climate?
>>
>> Thanks,
>>   Zsolt
>
>
>





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