My tune keeps changing!!!
Changing in a bad way! I had the car running and starting up real good. But now that I turned on GammaE in the Advanced fuel table selection it changes everything! I did it for start up reasons. the fuel table numbers are the same but the afr's are very inconsistant. I try to add more fuel and they just keep getting leaner! I can't even go back to my old saved tune. The ECU just does whatever it wants. Even if I turn off GammaE. HELP!:facepalm:
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Reburn you firmware first.
Check your WB-AFR connection and settings in the MS. |
My wideband settings are correct and connection is good. I turned the car off and turned it back on pulled up megatune again and it showed that my KPA settings on my fuel and timing tables are not what I burned them to previously. I'm talking way way off. I had 20 to 184 kpa burned but after I turned the car off and on again it was showing 10 to 111 kpa!!!! wtf?
I will try reburning the firmware right now. |
That seems to have done the trick. Pretty damn weird though. Why does this happen in the first place?
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Corrupted firmware. This can be particularly easy to do if you just open MegaTune without connecting to the ECU or opening an existing tune, and try to compose a map. It defaults to a table full of zeros, and sometimes puts zeros where they really shouldn't be (the GammaE being off is a very common sign that happened). Starting with a proper map helps avoid this.
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