Mattg1994 Posted September 2, 2018 Report Share Posted September 2, 2018 Hi, i started to tune my fuel map and i have this weird issue where it wants to lean out at around 2000rpm @ 2.9psi, the rest of the map is fine but in that section it demands alot of fuel to read a good AFR. Its a 2007 WRX, any help is greatly appreciated. I will upload the picture of the map and the log for reference. EDIT: After a bit of looking around i found that the base map for my car has what i assume is a typo, 26deg of advance in the VVT Table, picture below. Quote Link to comment Share on other sites More sharing options...
Adamw Posted September 2, 2018 Report Share Posted September 2, 2018 2.9psi (20Kpa) MAP would have to be a lift-off, coasting/over-run condition wouldnt it? I dont think you would be able to pull that level of vacuum while driving. You do not need to worry about AFR under high vacuum over-run conditions as there is not enough air in the cylinder for proper combustion. Quote Link to comment Share on other sites More sharing options...
SC-Factory Posted September 2, 2018 Report Share Posted September 2, 2018 I have something to worry about. VVTMAP looks odd. V10, is this normal? I feel that 26 degrees has no connection between left and right. Will not VVTMAP be like this? It's a rewritten sample so you can not use it as it is. Quote Link to comment Share on other sites More sharing options...
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