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Emu black car starts only on high filter but doesn’t rev past 4k

EFI Tuning Fundamentals

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I have a weird setup that is making me go crazy. I’m using mercedes m104 vr trigger sensor on emu black. If i set the filter to high the car starts but doesn’t rev past 3-4k rpm. If after the car starts i lower the filter the car revs higher but doesn’t reach the desired rpm limit i set unless i turn the filter off. However if the filter is off, the car doesn’t start. I tried literally everything: cranking gap detection, next edge rejection angle, sec trigger filtering. I even tried to turn on the pull up 4k7 resistor. The car starts in a second but doesn’t rev past 2k rpm. Please help me i’m going crazy

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