Question about 1999 Mercury Cougar

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1999 Mercury Cougar Anti-theft System

I think there is a problem with the Anti-theft system in my mercurey cougar. And random times the lights flash like I've turned on the flashers or the panic button on the key chain has been pushed.

Last week I couldn't start the car and replaced the battery...it worked for about a week. Then it wouldn't start againg this morning. It seems as if the battery is dead.

No one seems to know what is wrong with. Any one have any idea?

Thanks

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  • jpiscitelli Jan 13, 2009

    I have another problem. It just died while I was driving it. The mechanic told me I need a new alternator so we'll see if that helps.



    Hopefully someone can tell me what is wrong.

  • Anonymous Mar 28, 2014

    mostly upon early morning start up, the car will randomly start flashing battery light and gages go crazy

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Ive reaently had a simular problem with the key being turned over and nothing happened, i had the starter replaced, seems like it was the cylinoid going bad.

Posted on Jan 30, 2009

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2002 mercury cougar starts once then stalls. Wont start just cranks. I have spark and can hear fuel pump come on.


Probably something with the PATS system , Passive anti theft system. Is there a red light in the middle of you dash that flashes fast when you try to start the car. Or is there a security light lit on you instrument cluster ? If you have a problem with PATS the engine computer will turn off fuel injectors in some cases !

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Does a 2001 mercury cougar have a chip in the key


Yes, it does........

The Passive Anti-Theft System (PATS) is fully passive in operation and requires no special procedures by the driver to arm or disarm the system. It is invisible to normal scrutiny and is operated by a miniature transponder within the key body. The transponder communicates with the powertrain control module through a transceiver mounted around the ignition switch lock barrel. The PATS functionality is incorporated within the powertrain control module.

PATS may be identified by a larger than normal sized ignition key. A larger sized ignition key indicates the presence of the transponder that controls the system.

The transponder code reading is carried out when the key. having been inserted into the ignition lock barrel is turned from position "0" to position "II" to crank the engine. If the Powertrain Control Module (PCM) receives the correct code the engine will start. If the PCM receives either no code or an incorrect code the engine will not crank and PATS remains armed and the engine immobilised.

Anti-Theft Indicator
Whenever the ignition is switched on the anti-theft indicator will remain on for three seconds while the system reads the ignition key code.

The anti-theft indicator will flash rapidly or glow continuously after the initial three seconds to indicate the PATS has immobilised the vehicle.

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If you didn't already, your best bet is an alarm shop to fix the short or disconnecting the alarm system from the ignition system altogether.

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1999 Mercury Cougar Airbag Flashing off and on


Generally speaking, the flashing light means there is a problem with the system and the air bag has been deactivated.
If the light is flashing in a pattern you can count the flashes and find out what the code is telling you. The codes are available online.
If it is just flashing steady, you would need to take it to a shop and have the system diagnosed.
Keep in mind working on the SRS system is dangerous since you can trigger the air bag if you make any mistakes.

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if the security system is malfunctioning, it wont let the engine start as to avoid someone stealing it. have someone check the system or just deactivate the security cuz your car is useless unless it runs! security can take a back seat to the ability for it to move

Oct 20, 2012 | 1999 Mercury Cougar

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ck main fuse then electric side of key switch,then ck anti theft.

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1999 Mercury Cougar, Anti-theft light is flashing, car will not turn over, after I try to start it the anti-theft light stays on until I pull the key then it starts flashing. I've looked online for a new...


put key in trun to on do not start or try to start just trun on. wait 10 to 20 min.s with key on this should reset the theft system.after you wait turn key off then try to start.

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its possible that you have ANTI-THEFT ALARM SYSTEM or the PASSIVE ANTI-THEFT SYSTE, to DISARM I suggets check the 2001 Mercury Cougar - Owners Manual (page and next).

Tell us news.


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V6 ? 4CYL? Have you verified SPARK? Did anyone check the "fuel pump inertia switch?" Its in the right front kick panel. If it was a "Anti-theft Issue" the light would be on or flashing.

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what is anti-theft light doing? It should come on solid for about 2 sec after you turn the key on then turn off. If it is flashing after this then it is not seeing the computer chip in the key and you have a PATS problem.

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