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using scan tool to help with tuning ?'s

2623 Views 29 Replies 10 Participants Last post by  kbk
I am still pretty new to EFILive and although I have made a few tunes I am still kinda in the dark about useing scan tool to help with tuning. I know how to select what PID's I want and how to record data but I am not sure how to correlate it and tuning. How do I know where to add fuel or timing or boost? Whats the easiest way to set things up? Do you look at the gauge panel the graph or just the data page? How do you run your logs ie: just driveing around or full throttle blast from stop to wherever? I also dont understand the maps at all can someone explain them to me?
I know I am missing a big part of this and I know this will help out emensly when i tune so any help is appreciated. THANKS

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Check tunes in the repository and see how they differ from the factory tune. Do a lot of reading on these pages. There are a lot of helpful hints. I have been slowly changing one thing at a time and logging to see what it does. You get to know, after a while, what happens when you do what. Read and good luck. I'm sure that if you have any specific questions when you start it will be much easier to help you.
I don't think that I would even attempt to tune the transmission this way. It could be too exciting to screw something up like commanding a shift into reverse while going 60mph.
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