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2004 chevy trailblazer_lt
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417 Posts
Discussion Starter · #3 ·
i took it in one time and they turned the truck off started it and pulled it in and said they got nothing on the scanner, if im right once you turn the vehicle off it resets its self.
 

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2003 chevy trailblazer_ls
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5,268 Posts
codes should be stored once theyre set- regardless of the key turning.
 

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2004 chevy trailblazer_lt
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417 Posts
Discussion Starter · #5 ·
oh well maybe they are blind or some thing the next time it does that ill take it back. i was thinkin it maybe the fuel pump i had a s10 that did the same thing and that was the problem.
 

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5,024 Posts
I got the reduced engine la couple times last year.....maybe its time to clean the Throttle body....ever since I cleaned it......it has been running fine ever since.......good luck!! use the search on the how to on cleaning the TB....
 
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