[AT] Cold snap

Cecil Bearden crbearden at copper.net
Tue Jan 2 06:58:39 PST 2018


This is not a key fob, but a transponder chip in the head of the key, 
and one of the first that Ford started out with the PATS first system

Cecil


On 1/2/2018 8:42 AM, Stephen Offiler wrote:
> Not quite sure where you're going with that, farmer...
>
> What I'm interpreting from your comment is that a wireless cell phone
> charger might have some ability to recharge the coin-cell that is assumed
> to be in the key fob.   I'm not sure, but I think no.  Wireless cell phone
> chargers work by sending out energy at a particular frequency, that is
> absorbed by an onboard charger inside the phone, that then charges the
> internal rechargeable battery.  The key fob is missing both the onboard
> charger as well as a rechargeable-style battery.
>
> If I misinterpreted your comment, my apologies.
>
> SO
>
>
> On Tue, Jan 2, 2018 at 9:23 AM, Indiana Robinson <robinson46176 at gmail.com>
> wrote:
>
>> I wonder if laying one on a wireless cell phone charger might bring it back
>> at least for a short time? At least long enough to diagnose the problem?
>>
>>
>> .
>>
>> On Tue, Jan 2, 2018 at 7:23 AM, Stephen Offiler <soffiler at gmail.com>
>> wrote:
>>
>>> Cecil, it strikes me that if warming the key solves the problem, what's
>>> probably happening is the little coin-cell battery in the key is about
>>> ready for replacement; it still produces the required voltage when warm,
>>> but it falters cold.
>>>
>>> SO
>>>
>>>
>>> On Mon, Jan 1, 2018 at 2:54 PM, Cecil Bearden <crbearden at copper.net>
>>> wrote:
>>>
>>>> I realize that many of you are in colder weather than I am, but I just
>>>> found another quirk related to the cold.   My 97 Expedition would not
>>>> start about 2 ours ago.  The anti theft device engaged and it would
>>>> crank but not start  after it started and ran for about 2 seconds 3
>>>> times.   I also had this problem many years ago on the side of a
>>>> mountain in Branson Mo at 1am..  and 14 degrees.
>>>>
>>>> I spent a while on the internet trying to find how to disable the PATS
>>>> Ford's Passive Anti Theft System.  Supposedly it cannot be disabled as
>>>> it un-grounds the injectors or the fuel pump.   I think it is the fuel
>>>> pump on this vehicle.
>>>>
>>>> I brought the key inside and warmed it up about an hour then went back
>>>> outside to start the car and had no trouble.    My 2000 F-150 is having
>>>> the same trouble as I keep the key in the cab so I always have it...
>>>> What would I do if I had the key in my pocket and lived where Ralph
>>>> does??  The trouble at Branson years ago, my wife had the key in her
>>>> purse and it was 14 degrees....  I can only think of one place to put
>>>> the key that would stay warm in this cold, and I would rather it was
>> put
>>>> there on the engineer who came up with this system!!!
>>>>
>>>> The Just answer ford mechanic stated that the older vehicles had
>>>> p;problems with the system in cold weather...   Now that is reliability
>>>> for you!!!!
>>>>
>>>> A great way to start the new year....
>>>>
>>>> Cecil in OKla
>>>>
>>>>
>>>>
>>>>
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>>
>>
>> --
>> --
>>
>> Francis Robinson
>> aka "farmer"
>> Central Indiana USA
>> robinson46176 at gmail.com
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