Question about 1998 Ford Explorer

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How to program my key to 98 ford explorer - 1998 Ford Explorer

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  • Ford Master
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You must have two working original car keys already programmed to your vehicle... Follow the instructions on your owners manual .

if you do not have two keys it is an issue that must be taken to your car dealer or an authorized locksmith ...

Posted on Feb 01, 2017

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  • Contributor
  • 36 Answers

For Ford keys (1996 -early 1998 Ford, Lincoln, Mercury)

If you want to initiate a new master key....

1. Insert new key into ignition cylinder and turn it to the ON (RUN) position. The security light on the dash will flash for fifteen minutes.


2. When the security light stops flashing, you have FIVE minutes to start the next step. Turn the ignition cylinder OFF and then back to the ON (RUN) position. The security light on the dash will flash for fifteen more minutes.

3. When the security light stops flashing, you have FIVE minutes to start the next step. Turn the ignition cylinder to OFF and then back ON (RUN) position. The dash will flash for fifteen more minutes.

4. After the security light stops flashing the third time, the new key has been programmed into the vehicles computer and will operate the car. It has replaced ALL the previous electronic key codes and is the ONLY key programmed into the vehicles computer.
If you want to add a key....


1. Insert an existing key into the ignition cylinder.


2. Turn the ignition cylinder to ON (RUN) and back to OFF.

3. Remove the existing key and, within 15 seconds, insert the new key and turn it to ON (RUN).

4. The security light will light up for two seconds to indicate success in programming the key into the vehicle.

5. Don't attempt to start the vehicle with any key for at least 1 minute.
<HR>On-Board Programming Method "C"


for Ford keys (Later 1998-newer Ford, Lincoln, Mercury)

If you want to initiate a new master key....

1. This requires that the vehicle be connected to special dealer equipment. There are two ten minute delays involved while this device erases all existing key programming and sets up the vehicle computer to accept new key codes. Two new keys should be ready because the system requires a minimum of two keys in the program. After the first two keys are programmed, additional keys can be entered individually by following the instructions for adding duplicate keys (below).

If you want to add a key....


**You must have two original keys to perform this procedure. If you only have one key, you WILL have to take it to the dealer to get it programmed**


1. Insert and existing (working) key into the ignition cylinder.

2. Turn the ignition cylinder ON (RUN) and back to OFF. Ignition should stay on for at least ONE SECOND.

3. Remove the existing key and, within TEN seconds, insert a second working key and turn it to ON (RUN) and the back OFF. Ignition must be in ON for at least ONE second, but no more than TEN seconds. Remove the key.

4. Insert the new key before TWENTY seconds have elapsed and turn it to ON (RUN). Leave it the ON position for at least ONE secondand turn back to OFF.

5. The security light will light up for THREE seconds to indicate that the new key has been successfully programmed.

6. To program additional keys, repeat steps 1 through 5
As a precautionary measure for all of the above procedures, you should wait at least one minute after you have performed this until you start your vehicle.

Posted on Dec 10, 2016

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Posted on Jan 02, 2017

  • 190 Answers

SOURCE: does 98 ford explorer has a microchip in the key

Yes it does have a microchip did they replace it with the right key switch and try unplugging the negative battery cable for about a minute to reset the computer

Posted on Aug 01, 2009

  • 382 Answers

SOURCE: CAN I PROGRAM THE KEY

Unfortunatley, most dealers keep a pretty tight lid on reprogramming the key fobs. You may find someone that had the software to do it, but chances are you will have to take your key in to have it flashed

Posted on Jul 26, 2011

  • 1212 Answers

SOURCE: 98 ford explorer park lights won't go off

This is usually a light switch issue. If you have the pull out knob- make sure the nut that holds the switch in place is tight. If the nut is tight, replace the switch as a first step.

There is a much lesser chance the signal switch failed and it is actually brake light power lighting them.

Posted on Dec 19, 2011

SOURCE: Can't find computer in my ford explorer 98

When you say computer you have to define what your refering to

The main PCM I looked into with google & are ten different answers
ays well as pictures

There are other modules so I suggest you use google when
you know what one your looking for

Why the qusetion?

You can't test it & surely don't want to
replace it on a wish & hope theory that will
solve some vehicle problem

They don't fail often, so have a repair shop diagnose
the real issues

Posted on Mar 05, 2013

airjer995
  • 5332 Answers

SOURCE: Why won't my 98 Ford explorer start? My theft

try using a spare key.

Either way if it starts or not with the spare key a trip to the ford dealer may be in your future. occasionally the security system will forget your keys. You can program them yourself but you will need two keys that work. If you have two keys that work let me know and I'll let you know how do do it.

If you do not have two keys that work than the ford dealer will have to reprogram your keys into the security system.

Posted on Apr 05, 2013

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1 Answer

Why won't my 98 Ford explorer start? My theft


try using a spare key.

Either way if it starts or not with the spare key a trip to the ford dealer may be in your future. occasionally the security system will forget your keys. You can program them yourself but you will need two keys that work. If you have two keys that work let me know and I'll let you know how do do it.

If you do not have two keys that work than the ford dealer will have to reprogram your keys into the security system.

Apr 05, 2013 | Cars & Trucks

1 Answer

CAN I PROGRAM THE KEY ON MY 98 FORD EXPLORER WITHOUT TAKING IT TO THE DEALER. tHE KEY WAS LOST SO I REPLACED THE IGNITION. nOW IT WONT RUN


Unfortunatley, most dealers keep a pretty tight lid on reprogramming the key fobs. You may find someone that had the software to do it, but chances are you will have to take your key in to have it flashed

Jul 26, 2011 | Ford Explorer Sport Cars & Trucks

1 Answer

Want to program 4 new chip keys in1998 ford explorer


In order to program them yourself you will need 2 existing keys that are already programed to the vehicle. Step 1: Put the first key that starts it in the ignition and turn it to the run position then back to off and remove it. Step 2: Within 10 seconds repeat Step 1 with the second key that is programmed. Step 3: Within 10 seconds repeat Step 1 with the first new key and so on until you are on the last new key. Step 4: For the final key you will put it into the ignition and start the vehicle. The vehicle should start and all the keys should be programmed. Test out each key to make sure it starts the vehicle. If you don't have 2 existing keys you will have to take it to a Ford dealer and have them programmed. Also I'm not sure what the max amount of keys that can be programmed to a 98 Explorer is but I think its between 4 and 8.

Apr 07, 2011 | 1998 Ford Explorer

1 Answer

My 98 ford explorer wont crank theft light is blinking real fast and radio and everything works


Whats happening is your PATS (Passive Anti Theft System or security system) is not programmed and can't read the code that is being transmitted from inside your key. There is only 2 solutions to this and one is going to cost you money... sorry. We'll start with the free solution.


1. First thing is that you will need 2 keys that are or were programmed to your vehicle. You are going to have to cycle your keys and you cant fool the system by using only one. Insert the first key and turn it to the run position for approximately 6 seconds then remove it and within 5 seconds insert the second key and do the same thing. Pull that key out. Now your vehicle should start with both keys and the theft light should be back to normal.

If this doesn't work option 2 is you have to take it to a Ford dealership and they will have to fix it for you. Hopefully this isn't the road you have to take. I work at Ford and am one of the few in our dealership who program keys. All the best and I hope solution 1 works for ya.

Feb 04, 2011 | 1998 Ford Explorer

2 Answers

98 ford explorer cranks but won't run.


it means that the key(s) needs to be recoded to the car,when you did the wheel you wiped the codes out.....the transponders are in the keys.
the car thinks its not you/your keys.

Apr 01, 2010 | 1998 Ford Explorer

1 Answer

Does 98 ford explorer has a microchip in the key


Yes it does have a microchip did they replace it with the right key switch and try unplugging the negative battery cable for about a minute to reset the computer

Aug 01, 2009 | 1998 Ford Explorer

1 Answer

Program 2002 Mercury Sable Key


For convenience, I'm also including a list of other vehicles that these instructions apply:
Ford Contour ‘98–up
F-150 ‘98-up
Ford Crown Victoria ’97-up
Ford Escort 99-up
Ford Excursion ‘00-up
Ford Expedition ‘98–up
Ford Explorer ’98-up
Ford Focus ‘00-up
Ford Mustang ’96-up
Ford Ranger ’98-up
Ford Taurus ’96-up
Ford Windstar ’98-up
Lincoln Continental ’98-up
Lincoln LS ’00-up
Lincoln Mark VIII ’98-up
Lincoln Navigator ’98-up
Lincoln Town Car ’98-up
Mercury Grand Marquis ’97-up
Mercury Mountaineer ’98-up
Mercury Mystique ’98-up
Mercury Sable ’96-up
NOTE: These instructions may apply to more or less vehicles than those listed above. I cannot confirm that these procedures work for every year and model listed. See your dealer if to confirm this.
On-Board Programming Method "B" for Ford keys (1996 -early 1998 Ford, Lincoln, Mercury)
If you want to initiate a new master key.... 1. Insert new key into ignition cylinder and turn it to the ON (RUN) position. The security light on the dash will flash for fifteen minutes.
2. When the security light stops flashing, you have FIVE minutes to start the next step. Turn the ignition cylinder OFF and then back to the ON (RUN) position. The security light on the dash will flash for fifteen more minutes.
3. When the security light stops flashing, you have FIVE minutes to start the next step. Turn the ignition cylinder to OFF and then back ON (RUN) position. The dash will flash for fifteen more minutes.
4. After the security light stops flashing the third time, the new key has been programmed into the vehicles computer and will operate the car. It has replaced ALL the previous electronic key codes and is the ONLY key programmed into the vehicles computer.
If you want to add a key.... 1. Insert an existing key into the ignition cylinder.
2. Turn the ignition cylinder to ON (RUN) and back to OFF.
3. Remove the existing key and, within 15 seconds, insert the new key and turn it to ON (RUN).
4. The security light will light up for two seconds to indicate success in programming the key into the vehicle.
5. Don't attempt to start the vehicle with any key for at least 1 minute.
On-Board Programming Method "C" for Ford keys (Later 1998-newer Ford, Lincoln, Mercury)
If you want to initiate a new master key.... 1. This requires that the vehicle be connected to special dealer equipment. There are two ten minute delays involved while this device erases all existing key programming and sets up the vehicle computer to accept new key codes. Two new keys should be ready because the system requires a minimum of two keys in the program. After the first two keys are programmed, additional keys can be entered individually by following the instructions for adding duplicate keys (below).
If you want to add a key.... **You must have two original keys to perform this procedure. If you only have one key, you WILL have to take it to the dealer to get it programmed**
1. Insert and existing (working) key into the ignition cylinder.
2. Turn the ignition cylinder ON (RUN) and back to OFF. Ignition should stay on for at least ONE SECOND.
3. Remove the existing key and, within TEN seconds, insert a second working key and turn it to ON (RUN) and the back OFF. Ignition must be in ON for at least ONE second, but no more than TEN seconds. Remove the key.
4. Insert the new key before TWENTY seconds have elapsed and turn it to ON (RUN). Leave it the ON position for at least ONE second and turn back to OFF.
5. The security light will light up for THREE seconds to indicate that the new key has been successfully programmed.
6. To program additional keys, repeat steps 1 through 5
As a precautionary measure for all of the above procedures, you should wait at least one minute after you have performed this until you start your vehicle.

Mar 27, 2009 | 2002 Mercury Sable

1 Answer

I HAVE A 98 FORD EXPLORER THAT WILL ONLY START WIITH ONE OF TWO KEYS AND THEN ONLY SOMETIMES. COULD IT BE A PROBLEM WITH THE CHIP IN THE KEY COMMUNICATING WITH THE COMPUTERS ANTI-THEFT MODULE?


That's a very good posibility. If the anti-theft light flashes rapidly when you try to start the car with the suspect key, you will need to have a dealer program the keys. Good Luck and please leave rating.

Dec 13, 2008 | 1998 Ford Explorer

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