Question about 2005 Mercury Mariner

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My antitheft is in theft mode and won't let the car start.how do i know if the antitjeft device is keeping it from starting?can i bypass the antitheft device?

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If the red light on dash is on constantly, it's in theft mode.if nothing has been replaced, maybe you got a new key, you'll need 2 keys that are programmed to the car...if you do have 2 keys and want to add another, simply put in first programmed key turn on until light goes out, do the same with second programmed key and then put in the new key and wait for light to go out.this will program new key. If you don't have 2 programmed keys, it has to be done with computer at dea

Posted on Jun 12, 2014

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Posted on Jan 02, 2017

bhowell786
  • 88 Answers

SOURCE: i have a 2000 mercury

When the car is locked, unlock it from the passenger side door. Then try starting the car.

Good Luck!
~Brandon

Posted on May 28, 2011

dttech
  • 4803 Answers

SOURCE: my car won't start, have

Absolutely! If the Passive Anti-Theft System (PATS) "thinks" you are trying to steal the car, it is SUPPOSED to keep it from starting. The problem is that the PATS thinks you are a car theif when you are not.
Below is a table straight out of the service manual for your vehicle. Please note that the FIRST action that must be taken for any PATS system malfunction is to scan the computer system for fault codes.


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Posted on Aug 27, 2011

  • 4977 Answers

SOURCE: 2003 ford ranger theft light blinking and won't start

the anti-theft has been activated and needs to be reset.you may have to get it to a shop that has the tools to do this or go to the dealer to get it done.did you use a key that was cut as a spare and doesn`t have a chip in it.this usually can cause this.also if the wires at the switch break it can activate the anti-theft system.

Posted on Feb 09, 2012

emissionwiz
  • 75822 Answers

SOURCE: antitheft device wont shut off car wont start

You will need to see the dealer and have the system scanned for faults, this can't be fixed at home.

Posted on Oct 04, 2012

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