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Posted on Jul 22, 2010
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2003 Chevy Impala won't start or turn-over.

Car won't start or turn over and the Security light flashes on dash panel. It doesn't happen that often, and the car will start after a little bit.

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Ron

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  • Expert 249 Answers
  • Posted on Jul 22, 2010
Ron
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Joined: Jul 22, 2010
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Your igntion switch is worn out.. replace it.

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Related Questions:

0helpful
3answers

How can I bypass the security code

Why do think the key security is bad? If you still have a factory key, this is not the problem...if no factory key, you can take your VIN number or original key to GM dealer to get new key that they will program for you...Check for dirty battery connections:)
0helpful
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Car wont start seems to be a security code that has prevented the car from starting whats youe dignosis its a 2003 chevy impala

Call a Chevy dealership, ask for service department. Tell them about it and ask what you have to do to get the code. Also if it is n9ot a code then they may be able to help you out by giving you some suggestions, other than bringing it in to them.
1helpful
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My 2005 chevy impala won't start since someone broke into my car

i would say when the person broke into your car they set off the security system which stops the car from starting, the way to reset the security is to put your key into the ignition turn the key until all the dash lights come on and let them stay on about 15 minutes after the 15 minutes have expired turn the key off and wait about 3 seconds and then your car should start. hope this helps.
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"2003 Chevy Impala won't start". Car would not

The alternator is not charging,or the battery wont take a charge.If all accessories work fine when its running after you've boosted it,its likely the battery.
John
0helpful
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2003 Chevy Impala intermittently won't start -

remove and clean the battery terminals ,
6helpful
2answers

2003 Chevy Impala periodically won't start

Try under the dash, attached to colum is a switch that the rod goes into from your ignition key switch, that may need to be adjusted tword your steering wheel just a touch, they go out of alignmnet from time to time
8helpful
3answers

Replaced ignition switch 2003 chevy impala and car will not start

After you replace the ignition switch turn the key to start the car and release leave the key were it stops after trying to start wait 10 minutes until security light goes out turn key to full off position then repeat the above procedure two more times for a total of three on the 3rd attempt to start car wait for light to go out then turn key to full off positoion wait 10 seconds then try to start car body control module should learn new pass code and the car should start.
Big john, J@J Automotive
7helpful
2answers

How do i reset the security system on my 2003 chevy impala

Are you reffering to the alarm or the pass lock system that put the theft light on.....If its the alarm the put the key in the door and unlock it. If its the pass lock system put the key in the ignition and turn it on and try to start the vehicle. After it shuts itself off leave the key on for ten min until the theft light stops flashing the turn key off and try to start it again. This may take a few times....
1helpful
1answer

2003 Chevy Impala. Security light comes on and car wont start

Leave the key in the on position for 20 to 30 minutes without trying to start the vehicle. In most cases a lose of power to the computer has happened and the security must be reset.
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