Question about 2005 Chevrolet Trailblazer Ext
I had similar problem with mine and the dealer finally hooked a cup sized computer to it. When this problem occured you push button on the (cup) computer and it records everything going on at the time. It turned out to be an o2 sensor going bad.They replaced it and have not had problem since. Hope this helps!
Posted on Jul 24, 2008
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