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I have a 95 LT1 auto that I am trying to tune/learn how to tune. I am having a world of trouble connecting. I can connect everytime to 9495Scan, I can, most of the time connect to tunerpro V5 but when i can connect, I get very erratic data. I have tried a couple of different ADX filed, tried the listen for silence thing and can't get anything readable. I have switched com ports....etc...I got Winflash to connect one time and read the car info......when that happened, I tried to read the PCM and was unable to get any further and was not able to read car info again. I have a cable from Reddevilriver and when I test the cable on the different programs, it teasts good.
I also tried a couple of different usb cords just to rule that out too.
Any advice that you could give would be greatly appreciated...I'm stumped as to where to go from here.......BTW, I am trying the trial versions of Datamaster, Cats and Winflash.