LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Whats wrong with my car???

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Old Apr 2, 2008 | 12:35 PM
  #1  
T WS6 A's Avatar
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From: Detroit, MI
Whats wrong with my car???

Hey guys, my car for the last 6 months has been running like ****. It all started when I put a Edge 3200 stall converter in it and then I took it to get tuned. The guy was just tuning it to make my the shifts harder and the rest of the tune was already done at a previous time, AIR/EGR delete etc. Anyway halfway through while the laptop was loading the info to my pcm the laptop crashed and killed my pcm. So I bought a new AC delco pcm and he tuned it with all the same settings as before. I start driving it around and it feels fine then once it started to warm up I would come to a stop and it felt like it wanted to stall, the rpms were bouncing up and down and then it would stall. So i started it back up and it runs great in park and neutral and then as soon as I put it in gear it feels like it loads the car down and then it wants to stall again. I mind you it runs fine at WOT. I cannot figure out for the life of me whats causing the car to do this. I just changed out both front o2 sensors with delphi ones and finished deleting all the Egr and put the block-off plates on and it also has brand new NGK TR6 plugs on it. The car has 60k miles on it and the only other things I havent changed are the stock spark plug wires, opti, and the MAF sensor was just cleaned. I have been thinking about just sending the PCM in to madz28 and get a whole new reflash and see if that fixes it, any suggestions I would really appreciate it!
Old Apr 2, 2008 | 09:09 PM
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T WS6 A's Avatar
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ttt
Old Apr 2, 2008 | 09:12 PM
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I would be that tune is off. Probably not the same one that came out.
Old Apr 3, 2008 | 04:31 AM
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T WS6 A's Avatar
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Yea my next step is to get the pcm reflashed
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