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madafan 10-30-2008, 09:39 AM I have tried the directions paosted on the forum to reset the ECU in my 04 Armada at least 3 times with no success. I now have 106K miles on the beast and the bottom end performance is suffering dramatically. I thought it might be agood idea to reset everything and then have the timming advance done again and go from there. Any ideas on how to accomplish this? scr38 10-30-2008, 11:14 AM I don't think there is a need to reset the ECU. The system adapts to the style of the driver. Go to a remote road and make several WOT runs, 0-60. I think you will see the performance return. madafan 10-30-2008, 11:33 AM That's the way I drive normally! It feels slower from the start then before the timming advance I had done last year. Pops 10-30-2008, 02:05 PM You might try going to Autozone and pickup some MAF Sensor Cleaner and follow the directions on the can. I cleaned mine last week and it seemed to help a little, but I recently cleaned and re-oiled my K&N drop-in too which could've caused a little oil buildup. gilbert88 10-31-2008, 06:30 AM Doesnt disconnecting the battery for 48hours reset the ecu? This is one of them "my mate told me" facts! scr38 10-31-2008, 07:12 AM Doesnt disconnecting the battery for 48hours reset the ecu? This is one of them "my mate told me" facts! No, that doesn't reset the ECU. Zire 10-31-2008, 12:34 PM No, that doesn't reset the ECU. Disconnect the battery... AND pump the brakes 3+ times. That'll do it. Although, I'm in agreement with scr... not sure how useful an ECU reset would be, if at all. Good luck. ~ Zire | ||