![]() The Reading I have Done Indicates the Overly Rich Mixture in WOT is to Protect the Cat Converter from damage while Pulling Long Hills. Usually the 'Power Band' will be set at 13.5. and to keep the Cat Converter from being Wounded. and if Maintained Opperation in this AFR Range Cat Damage will result.ġ4.7 is the 'Perfect Mixture'. but Heavy engine use in this AFR Range MIGHT start to heat up Cylinders. Engine runs Shitty at Heavy Loads at these AFR'sīest Power is 13.7 AFR. you can push into heavy Loads with these Mixtures. my 'Learnings.'īest Cruse Lite Load is a Mixture of 15.7 AFR. but SOMEHOW, Some Map in the ECU is Fixed for that error.Īs for Fuel Mixture. the the Flow Rates will be higher at Part Throttle, and Lower at WOT for the same Injector Pulse Width. There will actually be some errors, as the MAP Pressure is Changing and the Fuel Pressure is Not. With the Fuel Pressure as a Constant, the Fuel Delevered will be a Known. ![]() ![]() and a New Error is Figures, then added to the Last Calculation, and a New Solution is Output to the Injectors. then in CLosed Loop the Resultant AFR is Sniffed by the O2 Sensors. The Only way the ECU can Control the Air/Fuel Mixture on a Drive by Cable T-Body set up, is to Control the Injector Pulse Width. to keep the Fuel/Air Ratio Proper.ĪLL of the Various Sensors feed into the ECU, and the ECU will perform Calculations to set a new Injector Pulse Width. and then the Fuel Pressure must be changed to fit the New Pulse Width of the Injector. It sounds like you somehow have the Fuel Injector Pulse Width Tied to the TPS ONLY. and how it relates to the Engine and Cat. ![]() it's hard to know where to start.īut I think the Main Problem is, you are ONLY looking at this from a Fuel Stand Point. Click to expand.This has soo many errors in it. ![]()
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