Question about 2004 Chevrolet TrailBlazer

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Chevy Trailblazer 2003 ran the battery down now wont idle

I have a 2002 Chevy Trailblazer that I had not drove for a while the battery ran down to zero and would not hold a charge I put a new battery in when I started the engine I get "Service Engine Soon" "Reduced Engine Power" on my display the car will not Idle keeps running up and down and giving it gas does nothing? Is it the computer? do I need to reset the computer? the car ran perfect before the battery went dead.

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  • Anonymous Mar 20, 2014

    battery ran down twice in a week then all of a sudden car runs hot cools runs hot again cools again now reduced engine power want go away

  • Anonymous Mar 23, 2014

    Ran out of gas left hazord on all night got gas car wouldnt start acting like battery was bad bought new battery and still wont start wants to turns over and makes tump sound when tring to start it.

  • Anonymous Mar 23, 2014

    Ran out of gas left hazords on all night got gas car still wount start axting like battery is dead bought new battery car still wont start tring to start turns over and and make loud thump sound when trying to start

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Try changing the air filter ,i had a problem ,at ilde in drive my trailblazer would stall, changed the air filter now it's not stalling and got my power back ,there is a secondary air pump that i have to change ,
not sure were it is ? still not running perfect but it's running better .and my service light is on too.
i got it put on scope ,it's the pump .
not sure if this helps ,but i'm start to run in to problems too,i have a 2004 trailblazer.
i like to do fix things myself ,i hope i can.it's the cost if you know what i mean.

Posted on Dec 18, 2008

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Posted on Jan 02, 2017

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