![]() Is it possible to do MAF tuning without a wideband O2 sensor My LTFTs seem OK (between -5 and +5), but at times, my STFTs seem a little far away from 0 and Im not sure what to log/how to setup a histogram to tune the MAF table. Then we cover how to operate it safely without damaging your ECM or any hardware. Start off by deciding Pro or non-Pro, and if you even really need it or not. Take a closer look at HP Tuners and what it is capable of doing for you and your hotrod. Do a write calibration to the computer and you should be up and going. Fuel Trim Tuning (MAF) without a wideband. GM ECM Tuning Overview, Removing VATS, CEL. I don't think this has to be said but after the changes, save your changes under a new name to keep track of what you are doing. Like if you are going to use a wideband o2 sensor to calibrated the VE table without fuel trims and closed function. There are further steps in the next post that will go talk about setting up the tune for open loop speed density. The idea is to trip the code straight away, you should have a P0103 present if you read the trouble codes.Īfter those changes it should be setup to run in speed density without the MAF enabled. I've seen people use "No MIL Light" aswell but it shouldn't make any difference. Click each code to present the drop down box to change the error mode. FAST 90/90 waitin for install 1999 Camaro SS M6 Artic White (ANGEL) SLP factory Dual/Dual 302rwhp/313rwtq, , Club Hi member. Then click the DTC's page and uncheck the SES box if you wish and set all 3 MAF DTC's to MIL on first error. QTP headers, TSP TDs w/ Sweet Thunders, Futral F13 and HP Tuners. Go to ENGINE DIAG tab, find the MAF fail freq high and set it to 0hz. Some things might be labeled in different wording but overall this should cover it and shouldn't confuse anyone.**įirst, open you file and make sure you are in " Advanced View" under the edit tab to see all tables in the calibration. **Please note that not every calibration is exactly the same, there might be slight difference between early P01 calibrations and the later ones. I am using a 2006 GMC Sierra file for use in these screen shots. Like for example you removed the MAF sensor or you need to fail the MAF to calibrate the VE table(s). This first post is the few settings it takes to fail the MAF sensor in the calibration. I have attached a scaled tune that I have for some Injector Dynamic ID850 injectors that will be running on a twin turbo TTiX 2005 C6 with the E40 PCM. It's very simple and straight forward to put the computer into speed density only. I have been reading and following the HPtuners boards for a long time and have learned a lot. Most commonly found in Camaro/Firebird/C5 vette, as well as 99-07 Silverado/Sierra trucks and the 2003-2007 P59 vans like the express and savanna van. I have taken some screen shots of how you can setup the tune to run in speed density on just about any P01 computer and P59 computer. That being 4.0+ and then specifically being the 4.4 version. In this thread will be just the basics for setting up a speed density tuning using the most recent software HP Tunes has out. ![]()
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