Question about 1998 Ford Expedition

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My theft light is flashing but my 1997 expedition wont start.The vehicle turns over but just don't start.

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ANTI-THEFT SYSTEM Passive anti-theft system
Your ignition key has a unique imbedded transponder which engages engine electronics and allows the vehicle to be started. Without the use of your special ignition key, the vehicle will not start.

During each vehicle start, the coded key is read by the anti-theft system. If the key’s ID code matches the code in the anti-theft system, the vehicle is enabled to start.

Anti-theft system
Briefly illuminates when the ignition is turned to the ON position to verify that the passive anti-theft system is operating properly.

Also, its possisble that tou have actovated the fuel pump switch.

CHeck it.

Posted on Jul 20, 2010

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MY 02 EXPEDITION WONT START, IT TURNS OVER . I DON'T HEAR THE FUEL PUMP CHARGING THE FUEL LINES. COULD THIS BE THE ANTI-THEFT SYSTEM? , oR SHOULD I CONCENTRATE ON THE FUEL PUMP INSTEAD THANX RICK A

Posted on Feb 28, 2013

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I have a 04expedition eddie bauer 5.4 wont start good battery ,good lights ,wont start with ignition put remote starter on starter,will turn but no start can you help me?


Sounds like anti-theft system problem ! There is a little red light center top of dash pad , When you try to start the vehicle does the light flash fast ? If the vehicle thinks it's being stolen it won't let truck crank over an it turns off the fuel injectors !

Mar 22, 2015 | 2004 Ford Expedition Eddie Bauer

2 Answers

2000 ford expedition wont start,security light in dash keeps flashing when trying to start,speedometer and gauges move when trying to start,,,fuel pump was replaced last year,,please help.thanks.


Your vehicle is equipped with a passive theft deterrent system that utilizes a "pill" embedded in your key along with a receiver contained in the steering column. If the system doesn't recognize your key, the vehicle will crank but not start and the theft light will flash rapidly. If you have another key, try it. Otherwise, you're in for a trip to the dealer where they can either reset the system or troubleshoot it further.

Good luck.

Apr 01, 2011 | 2000 Ford Expedition

1 Answer

Vehicle cranks but wont start has good fire but no fuel pressure theft light is flashing car has not run in over a year ? what do i do to get the theft light to go out?


Turn ignition to run not start,count to 5,turn off key. Repeat this three times. Try to start vehicle. If its starts you are done. If not you will need to repeat turn ignition on count to 5 then turn off, 3 more times On the fourth time leave key in the run position for 10 minutes. Then turn key off & start vehicle.

Dec 14, 2010 | 1998 Ford Expedition

2 Answers

1997 Ford Expedition wont start and anti theft light is blinking. help thankyou


If the theft light is blinking very fast it does not recognize the key, will have to go to a ford dealer

Mar 31, 2010 | 1997 Ford Expedition

2 Answers

I change the ignition switch and now wont start the theft light keep flashing


Your fob system needs programming. There is a chip in your key that has to be re/programmed to your vehicles anti-theft system. You may call a special locksmith or tow to dealer to perform this. Hopefully this helps

Jul 24, 2009 | 1997 Ford Expedition

1 Answer

Door lock fuse blows and locks wont work


i have a similar problem. when i turn the ignition switch, the doors begin locking and unlocking and the truck wont start. its a 1997 ford eddie bayer expedition. the "THEFT light is coming on too. any sugestions?

Jun 22, 2009 | 1998 Ford Expedition

1 Answer

My 1998 ford expedition won t start and the theft


the light blinks when the system is armed. Normal.

Your key has to be able to communicate with the receiver in the ignition area. Does your other key work ok?

Anti-Theft The passive anti-theft system (PATS) uses radio frequency identification technology to deter a driveaway theft. Passive means that it does not require any activity from the user.
  • During each vehicle start sequence, the ignition key identification code is requested by the PATS module.
  • If the key's ID code has been programmed into the system, the vehicle powertrain control module (PCM) (12A650) is allowed to operate; this allows the vehicle to start.
  • If the key's ID code is not programmed into the PATS module, or if no encoded key is detected, then the vehicle PCM is disabled.
The PATS module, located under the driver side instrument panel, communicates the state of the security system to the PCM via the module communications network. The PCM, based on the communications from the PATS module, will determine if the vehicle's engine will be enabled to start. If the PCM prevents the vehicle from starting because of PATS, the PCM will store a DTC in memory.
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The anti-theft vehicle protection system utilizes the THEFT indicator, located in the instrument cluster (10849), when the ignition switch is turned to the RUN/START position. The indicator provides system prove out and operating status to the customer or technician.
Each PATS ignition key holds electronics that give each key a unique ID code.
The PATS will activate the indicator signal when the ignition switch is turned to the RUN/START position. The THEFT indicator will turn ON for two seconds, then turn OFF.
If the THEFT indicator flashes for one minute or more, this indicates that there was no key code received.
When the vehicle ignition switch is placed in either RUN or START, the PATS module requests the ignition key ID code. The PATS module requests the ignition key ID code by supplying power, ground, and the carrier signal to the transceiver to energize the ignition key. After the energize period, the key transmits its ID code to the transceiver module, which sends it to the PATS module.
The PATS module then compares the received KEY ID code to those stored in memory (16 maximum). If the ID matches, the PATS module sends an enable signal to the PCM over the module communication network.
The passive vehicle protection system utilizes the engine management capabilities of the PCM to enable or disable the vehicle engine. The module communication network is used to send and receive messages to and from the PCM.
Within one second after engine start, the PCM must receive an enable signal from the PATS module through the module communication network or the engine is disabled before the vehicle can be moved.
If the PATS module recognizes a stored ignition key code but there is a module communication network concern preventing the PCM from recognizing the start enable signal from the PATS module, the vehicle engine will be disabled. If this happens, the PATS module will flash the THEFT indicator for one minute, then flash diagnostic trouble code 16 ten times to indicate there is a problem with the module communication network circuits or the PCM is not responding properly.
The passive vehicle protection system will disable the vehicle from starting if there is a:
  • Damaged encoded key.
  • Unprogrammed key.
  • Non-encoded key (key has no electronics).
  • Wiring concern.
  • Transceiver concern.
  • Control module concern.
  • Module communications network concern.
  • ----------------------------------------------------------
Key Programming —Spare Key NOTE: Before starting this procedure, make sure the key(s) you want to program have the correct mechanical cut.
NOTE: Performing this procedure does not erase existing programmed keys.
  1. Insert the programmed key in the ignition. Turn to RUN.
  1. THEFT indicator proves out after two seconds.
  1. Remove the programmed key.
  1. Within 15 seconds, insert the new key in the ignition and turn to RUN.
  1. THEFT indicator proves out after two seconds.
  1. The extra key is now programmed.
------------------------------------------------------------------------------------
Key Programming —New Key (Without Diagnostic Tool) NOTE: Before starting this procedure, make sure the key(s) you want to program have the correct mechanical cut.
  1. Insert the nonprogrammed key in the ignition and turn to RUN.
  1. THEFT indicator flashes rapidly.
  1. After 15 minutes of flashing, the THEFT indicator will stop flashing.
  1. Within five minutes after the THEFT indicator has stopped flashing, turn the ignition key to OFF and back to RUN.
  1. After 15 minutes of flashing, the THEFT indicator will stop flashing.
  1. Within five minutes after the THEFT indicator has stopped flashing, turn the ignition key to OFF and back to RUN.
  1. After 15 minutes of flashing, the THEFT indicator will stop flashing.
  1. All originally programmed keys are now erased, and only the key in the ignition is programmed.
  1. Additional keys may be programmed; refer to Key Programming—Spare Key .
---------------------------------------------------------------------------------------

Jun 17, 2009 | 1998 Ford Expedition

1 Answer

Anti-Theft


Do your locks work on the SUV? Somethings the locks can set the anti theft off. But if your locks work then that means your the chip in the key is bad or its not reading the key at all. More than likely you will have to get a new key and have it reprogrammed. Dealer is the only place to get the key.

May 26, 2009 | 1997 Ford Expedition

1 Answer

Passlock


on the ignition key you have to change the ignition baril put new one in try to start it wont leave the key on theft light will flash for 20 minute turn key off and start it thanks pierre

Nov 30, 2008 | 1997 Chevrolet Malibu

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