Question about 1999 Buick LeSabre

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Problems with ingnition sometimes will not start and security light is on could it be a problem with my key?

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Yes if your key security flashes thats your problem

Posted on Apr 28, 2010


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V6 SLE. It cranks but why no spark and won't fire?

I would -start by checking the code from the computer you scjould
get a code from it are you having a problem with the alarm at all
sometime the alarm. Cause problems but even then a code woou
s be my first start there is a thing called am ingniter it a am
Small box for ingnition it hoopla up to the coil see if you getting current to the coil if not that's the 2nd thing to check I think that it please turn the key on so it's hot I think that's it please check and reply

May 30, 2015 | 1999 Toyota Camry Solara

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96 olds achieva wont start unless daylight running lights come on when ignition switch is turn on

You may have a key that has a transponder hidden in the plastic key head. If the security light is on, that means that you DO have an antitheft feature that is not working properly and is most likely causing your problems. Take a look at this link, it explains the security issue and some symptoms. Along with some DO IT YOURSELF solutions.

Oct 20, 2011 | 1996 Oldsmobile Achieva

1 Answer

The security light is blinking in my car, everytime i tried to start it, the system says "starting disabled" then it says wait 3 minutes. This problem occurs alot. Sometimes it fires right up...

Your problem is that the theft control moduel is not reading the key code it could be a bad key or the reader inside the igntion switch is going bad if you have another key try using it for a while to see if the problem stops, if you don't have another key take your title or the registration to the GM dealer and have them cut you a new key , if the problem still keep going on you will have to replace the ingnition key reader (what is called then exciter ring) in side the steering column.

May 08, 2011 | 1990 Cadillac Eldorado

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I have a 1993 buick lesabre. The security light is flashing and will not start. I checked the fuse it was ok. I tried our other key and still wouldn't start.

there may be a broken wire from the ignition swith going down the steering column,theres two sensors at the begining opening of switch, sometimes they get stuck and dont pop back out, in turn it doesnt touch the chip on the key and cant read it,take a look with a light use a small pic and push lightly on them and see if the y push in and pop out, if they do then replace ignition swith,theres a way to bypass,use an omh meter and measure resistance of key chip, then buy a resistor with the same value,and connenet to wires from switch under the dash,cut wires and put conecting the two going to switch with resistor connecting them together,heres a diagram,193b32f.jpg

May 06, 2010 | 1993 Buick LeSabre

2 Answers

How do you check and replace the igintion?

loose battery connection, or loose wire, ground wire maybe.

Oct 22, 2009 | 1997 Chevrolet Lumina

1 Answer

My car will not start

Its most likley your key, there are microchips in the key if its damaged it can set your security system off.

Mar 14, 2009 | 2003 Pontiac Grand Am

1 Answer

My 2006 pt cruiser working fine then turn key it started then

it has a bad chip in the key.not comunicating with the toumbler

Jan 23, 2009 | 2006 Chrysler PT Cruiser

1 Answer


a boost should get it going

Jan 18, 2009 | 2005 Nissan Maxima

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