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98 Ford expedition has check engine light on jiffy lube said the code means ignition coil now theft light is blinking and the truck wont start help what do I need to do

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2000 ford expedition. trying to start, engine turns but will not start, theft light is flashing. tried both keys and got the same results.


I have a 98 Expedition an had the same problem try waiting for the theft light to stop blinking then give it a try it worked for me. Good Luck!!

Dec 31, 2010 | 2000 Ford Expedition

2 Answers

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


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.

Jul 20, 2010 | 1998 Ford Expedition

1 Answer

1998 ford expedition that won't start. it cranks, but doesn't turn over. anti-theft light is blinking fast.............


The theft light blinking indicates a PATS (perimeter anti-theft concern.It means that the computer has not recieved a signal from your key when trying to start the vehicle. A few things could be wrong.
1...The key you are using to start the vehicle is not programmed to the vehicle or broken internally. So try a different key(one that you know is programmed to the vehicle) if you have more than 1. If the theft light goes on and flashes when you try to start the vehicle, you must wait about 5 minutes before trying the second key because the computer goes into antiscan or theft mode and wont let any keys start the vehicle.
2... There is a small transciever ring located arount the key cylinder which recieves the key signal. The wiring for the tranciever runs down the steering column into the dashboard wiring. Sometimes these wires break. If you have a tilt steering wheel, move it all the way down and try to start, then try moving it all the way up and try to start. Keep in mind the antiscan that I mentioned in #1. If this works then you need to check the wiring at the base of the steering column. A white connector with 4 wires. Pull on each wire to see if any are broken.
3... Check fuse #30 on interior fuse panel. If it is blown then you will have to trace down the cause of the short. The ignition coils are on this fuse also so one could be shorted. Disconnect all ignition coils(you may have 8 located on each plug if 5.4l engine or 2 located on l+r front of engine if 4.6l engine) and see if the short is gone. If the short is still present disconnect the radio noise supression capacitors( small black box approx 1" x 1" square with a single wire coming out) that are located on the left and right front of the engine. Pay close attention to all the wiring around the coils, look for any areas that may have rubbed thru and shorted.
These are things that I would look for first and are the most likely causes. This should get you started in the right direction. Be patient and post your findings if you fix it or not.
Good luck

Apr 10, 2010 | 1999 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

1998 Ford Expedition Eddie Bauer SERVICE ENGINE SOON light


Take the vehicle to any local auto parts store that will read the codes. WRITE THEM DOWN, and report back here for further help.

Dec 21, 2009 | 1998 Ford Expedition

1 Answer

1998 ford expedition wont start. theft like is


If you are reseting a factory alarm...lock and unlock the drivers door with the key. If you don't know the code look under the dash driver side in left corner there should be a black cover with a sticker with a code on it 6 numbers that is the factory code.

Oct 07, 2009 | 1998 Ford Expedition

1 Answer

Anti theft device for 97 ford expedition


try locking and unlocking the drivers side door with the key

Oct 26, 2008 | 2000 Ford Expedition

3 Answers

Anti theft device for 97 ford expedition


I have 2007 expedition XLT and the interior light blinking all the time what the solution ?

May 28, 2008 | 2007 Ford Expedition Eddie Bauer EL

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