Question about 2002 Chevrolet TrailBlazer

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2003 Trailblazer wont start

Trailblazer wont start, it's running fine, but then wont turn over when turning the key, I checked the battery I even replaced it today because it was 6 years old so i just did it in case and nothing, one thing I do notice is the steering wheel doesn't lock, any help would be appreciated.

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  • cdmitt Nov 28, 2008

    I have the same problem, all the lights and everything works,but when you turn the key nothing.Does anyone have any answers.

  • andyfire21 Dec 01, 2008

    i just bought a used 2002 chevy trailblazer lt. first week it drove fine now i ran into problems. when i get in to start it up it clicks click and clicks . not starting . then after a few more times it starts up. ive had it for 2 weeks and ive had it jumped twice. i brought it in 2 the dealership and they said that for the rattling underneath is cause of bad fuel.? so they told me to go in and get thier fuel injector to clean out all the bad gas and fill it up with better gas?. when they looked at it they said there was a misfire on the number 3 cylinder. its not back fireing but it wont start on the dot . what is the problem .

  • matkrick Jan 26, 2009

    I have a 03 gmc sierra, the battery is good, all the lights eork, all the guages work, turn the key, i can hear the fuel pump working, i cant get the thing to turn over, HELP

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When you go to start it does it still say driver 1 on the dispaly... or unknown driver.. if it says unknown driver it wont do anything

Posted on Nov 14, 2008

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I've had the same problem. The first time I replaced the ignition switch and everything was fine. However, I think what the real problem is, is the pass lock anti-theft system inside the ignition cylinder is faulty. By removing the ignition switch and replacing it, it resets the pass lock system and everything works fine... for a while. I think the solution is to replace the ignition cylinder (tumbler). $200.00 from GM. Like I said, try removing ignition switch and then plugging it back in. This may give you a free quick fix. The first time I tried this, it bought me a year.

Posted on Apr 27, 2009

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Your park sensor may be messed up, try putting it in neutral and trying to start it then, and make sure you are applying the brake

Posted on Oct 28, 2008

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Might be the starter or the alternator

Posted on Oct 28, 2008

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SOURCE: 2003 Trailblazer wont start

check the Ignition Starter Switch (tipical on tb)

Posted on Dec 09, 2008

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You mean it wont even crank at all? When you turn the key on is there anything you hear like when you try and start it doe's the starter try and engage?

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Sounds like an antitheft problem I would start with the antitheft system. Usually when you only have one key all keys have to be programmed together even the original. When you have more than one it is easy to program additional keys.

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2003 Trailblazer wont start


check the Ignition Starter Switch (tipical on tb)

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