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2002 chevy trailblazer_lt_ext
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220 Posts
Discussion Starter · #1 · (Edited)
Ok. I bought and installed a pcmforless tune... did the core exchange... didn't get the case relearn done right away didn't have the money.... So i took it to my mechinc today said he would do it no problem... well he said nothing was coming up as far as misfire counts and the counter wuz working.. And he couldnt get the W.O.T which wuz 5k and would cut off at 4500... Would this have something to do with the tune? SHould i be worried..
 

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2005 chevy trailblazer_lt
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2,636 Posts
i'm having the same prob with mine. using the snap-on modis. i'm going to try the tech2 tomorrow. mine is cutting out at 3400 rpm ish
My mechanic also had the snap-on modis... fully updated. He also couldn't get the system to recognize WOT. We tried bliping the throttle, holding it down, nothing worked.
 
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