1995 toyota 4runner, ignition switch stuck in lock, cannot get in acc. to remove and replace. have tried normal repair procedures with no success.

It can be faulty ignition lock cylinder.I suggest to wiggle the steering wheel a bit and see if the key gets released out.If that is not helping then first turn steering wheel to right and try removing the key,or next turn steering wheel to left and see if you can remove the key.
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Spray wd-40 in the ignition key hole and let it remain there for few minutes,after that once again try to remove the key and see if that helps.
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But if that is not helping then ignition lock cylinder has to be removed out and key has to be manually removed.
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For more troubleshooting on these types of issues,i suggest you to refer the help links mentioned below.Its the accurate solutions mentioned in it.that will help you to narrow the problem:-----
Click the link below:------

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1999 Toyota Camry: Key Will Not Come Out Of Ignition?

http://whatisbyme.blogspot.in/2012/05/1999-toyota-camry-key-will-not-come-out.html
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2001 Toyota Tacoma: Ignition Locked?

http://technoanswers.blogspot.in/2012/04/2001-toyota-tacoma-ignition-locked.html
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Ignition Switch Will Not Turn Off?

http://schematicsdiagram.blogspot.in/2012/04/ignition-switch-will-not-turn-off.html
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Car will not turn the ignition to start?

http://technoanswers.blogspot.com/2012/01/car-will-not-turn-ignition-to-start.html

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Ignition Key OFF but engine still running?

http://howtobyme.blogspot.in/2012/03/ignition-key-off-but-engine-still.html
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Chevrolet Malibu: Key Stuck in ON position?

http://technoanswers.blogspot.in/2012/04/chevrolet-malibukey-stuck-in-on.html

2012 Dodge Ram: Ignition Key will not release?

http://whoisbyme.blogspot.in/2012/07/2012-dodge-ram-ignition-key-will-not.html-----------

Ignition locked up on Mercury Villager?

http://technoanswers.blogspot.in/2012/01/ignition-locked-up-on-mercury-villager.html-------------

Key won't turn in the ignition on Toyota land cruiser?

http://technoanswers.blogspot.in/2012/02/key-wont-turn-in-ignition-on-toyota.html

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How to remove ignition switch on VW Car models?
http://schematicsdiagram.blogspot.com/2011/12/how-to-remove-ignition-switch-on-vw-car.html
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How to Replace Ignition Switch on Chevrolet Caprice Classic?

http://schematicsdiagram.blogspot.com/2011/12/how-to-replace-ignition-switch-on.html

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1995 Ford Taurus: Ignition switch not turning OFF?

http://repairhelpcenter.blogspot.in/2012/06/1995-ford-taurus-ignition-switch-not.html
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Ignition Problem Troubleshooting

http://whoisbyme.blogspot.in/2012/07/ignition-problem-troubleshooting.html
------------------These will help.Thanks.

If you're talking about the ignition lock/key cylinder in the column. It's going to be quite difficult due to the fact there is a rod stopping the cylinder from coming out unless it is pushed and has to be pushed when the key is on/turned to the ACC position. Now I have seen in a very few cases of the ignition switch (the electrical part) being locked up. Here are a couple of pictures but at this point like Dennis said I need more information in order to help better.

select a wall then do it

Removal
Remove steering wheel and combination switch. See STEERING WHEEL & AIR BAG and
COMBINATION SWITCH . Disconnect ignition switch electrical connector. Using a chisel and screwdriver,
back out bolts at steering lock bracket. Insert key into steering lock cylinder, and turn to ACC position. Using a
small Phillips screwdriver, push cylinder lock pin inward. On all models, remove ignition switch, steering lock
and bracket.
Installation
To install, reverse removal procedure. Use NEW steering lock bracket and bolts. Temporarily install ignition
switch and steering lock cylinder onto steering column. Ensure ignition switch functions normally, then tighten
steering lock cylinder bolts. Tighten lock bolts until heads twist off. To complete installation, reverse removal
procedure.
If you need anymore info let me know.

spray lock lubricant into lock

2 things either your switch is wore out and needs replaced or the cable from park to your switch is wore out and need to be replaced could be fixed easily at a small shop even shouldnt cost over a 100.00 for both to be replaced.

turn key toacc using pick release ign cyl start car w long pliers while having locksmith repair cyl

REMOVAL

1. On models equipped with airbag, disarm airbag as described under MAINTENANCE PROCEDURES/AIRBAG SYSTEM DISARMING.
2. On all models, disconnect battery ground cable.
3. Remove ignition switch as described under STARTING AND CHARGING SYSTEMS/COMPONENT REPLACEMENT AND REPAIR PROCEDURES/IGNITION SWITCH.
4. Remove key light case from lock body, if equipped.
5. On 1989 Accord models, place ignition lock cylinder in the ACC position.
6. On except 1989 Accord, place ignition lock in the I position.
7. On all models, position suitable punch into hole on lock cylinder housing and depress pin, then remove lock cylinder from housing.

INSTALLATION

1. On 1989 Accord models, install ignition lock cylinder as follows:

1. Place ignition lock cylinder in the LOCK position.
2. Rotate key until it is almost at the ACC position, then insert lock cylinder until pin contacts housing.
3. Rotate key to ACC position, then push pin in and insert lock cylinder into housing until pin clicks into place.

1. On except 1989 Accord, install ignition lock cylinder as follows:

1. Place ignition lock cylinder in the O position.
2. Rotate key until it is almost at the I position, then insert lock cylinder until pin contacts housing.
3. Rotate key to I position, then push pin in and insert lock cylinder into housing until pin clicks into place.

1. Install ignition switch and connect battery ground cable.

SRS wire harness is routed near the ignition switch.

CAUTION:

• All SRS electrical wiring harnesses are covered with yellow outer insulation.
• Before disconnecting the SRS wire harness, install the short connector on the airbag.
• Replace the entire affected SRS harness assembly if it has an open circuit or damaged wiring.

IGNITION SWITCH

1. Remove the steering wheel, then remove the steering column covers.
2. Disconnect the 7-P connector from the under-dash fuse box.
3. Insert the key and turn it to "0."
4. Remove the 2 screws and replace the base of the switch.

Your tumblers are probably worn to the point were your only soluation is to replace the ignition switch

Just a thought , if the gear stick is not in park the key cannot be removed from the ignition I found out when I left the car in nuetral .