Hello all. Trying to use GM Techline SPS and MDI to flash a stock cal to a used e38 ECM with same service number (12612384). This is for a 2008 Tahoe...
Long story short. Have tunes from Patriot Diag. for the 6.4. Had an issue that caused me to have to return truck to stock file in order for dealer to...
I'm working on a 2014 Mustang GT w/ BOSS 302 Intake, ad Pype's Mufflers. We had just installed a BOSS 302 intake, but have an appointment for tuning...
I guess being that was a drastic change, you could split the difference to see where the engine is happy. Id definitely leave the added crank spark....
It ran great all the way to work then as soon as I go to leave work it went in to reduce power mode p2135 throttle position sensor tryed re flashing...