HP Tuners help
#1
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HP Tuners help
Hey guys so my buddy is trying to get his lnf tuned and when it's hooked up to hp Tuners it will not read and says "can't read vcm". Now the tuner whose tuned many lnfs and lsj cobalts has never ran into this problem. He's tried the old 2.24 version and the newest version from hp Tuners and it still won't let him in. Now the car is already tuned as well when my buddy bought it used from a dealer. Could this car possibly have a trifecta tune on it?? Thanks guys
#3
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Weird thing is though it doesn't have the go sensors and it's boasting 22psi and pulls decent but it's starting to misfire a little so he put new plugs in, coil packs and wanted a re tune but that didn't happen lol. I'll tell him to put the cruise control button on and see if anything happens
#6
Senior Member
iTrader: (6)
Oh, that makes sense now. If he's boosting 22psi there is most likely a tune on it, log the car (if it has a trifecta you should still be able to log it) that should give you an idea quickly. I can't recall off the top of my head the exact timing of a stock tune but I think it's 9 or 10*
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jdbaugh1
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12-01-2019 06:45 PM