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View Full Version : Higher fuel trims making my 8 run richer Sapphonica 05-28-2005, 03:56 PM My CanScan told me that from ~6600-7500 I am running around 12.5-12.7. I cut more fuel in my CZ maps, then on the subsequent runs it looks like I am running RICHER. The temperatures & etc. are all the same. Is the ECU buggering me? dannobre 05-28-2005, 04:01 PM How did you cut fuel? Did you make the # bigger or smaller? ie from 40-42..or from 40-38?? The first will be leaner.....the second will be richer Sapphonica 05-28-2005, 05:18 PM How did you cut fuel? Did you make the # bigger or smaller? ie from 40-42..or from 40-38?? The first will be leaner.....the second will be richer Yes, numerically larger. I believe that number represents a % of fuel trimmed, so I went from '40-42'. dannobre 05-28-2005, 10:08 PM Reset , and then do three runs....average the values to see trends..and go from there :D Nemesis8 05-28-2005, 11:17 PM By restting the ecu, you will clear your LTFT reading. |