Do you have a wideband? If not, you will have to setup your MAF histogram (now called a graph) using the Parameter in MATHS called LTFT + STFT. Have you installed new fuel injectors already? If so, you need to load the injector data before you start the car.Ģ. This forum does not allow users to upload tune files, unfortunately.ġ. Hope that gives you something to try and maybe get's you started.

You can use a wideband with AFR error as an option, and for the WOT stuff you'll want that anyways. Just make sure you get it in pure MAF and pure SD or you'll be chasing your tail for a while if you're in blended. I use MAF against LTFT+STFT and tune all the regular driving stuff in closed loop, same for the VVE. See how it runs with the MAF unhooked and that should give you an idea, if it's fine, it's probably the MAF tune, if it's still awful I suspect you probably dinged a plug (it's easy to do) or have some other issue.Īs far as the histogram for MAF tuning you may have to dial that in a bit to get it working right. Or, you have a big vacuum leak - you just added a whole bunch of plumbing. Service Stabilitrac is probably due to a misfire condition, which may just be because the maf is in a new spot it doesn't like, or maybe you actually cracked a plug or scorched a wire. The MAF is really sensitive to positioning, running pure SD, especially for a boosted car, may just be easier. Not a solution to fix your tune, but if you need to get the car going somewhere and didn't make any head or cam changes the stock VVE tables should be fine and run the car ok in pure Speed Density mode. I cant upload the Log file to this forum for some reason. I also keep getting Service stablitrac warning message. It idles terribly and I cant get the MAF log thing to record anything to tune my MAF table. I have successfully installed my AGP Twin turbo kit.

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