Ford Maverick ́04 troublesome run and exchange MSG and WFS ECU

Hello, I have a ́04 Maverick 3.0 with LPG system (BRC) For some time now I have been trying to stop misignitions in Zyl.6. Compression tested, ignition coil changed, candles new, cable controlled/measured, intake tract completely tested, single-point nozzles changed, LPG injector renewed. Nix, no chance. In the bezin operation he squats easily, but drives quite normally. Even when setting the gas system, however, you can see that it is then not really balanced at Zyl. 6 Then the error comes in the MSG once in a while: Ignition oscillating Zyl.6 The strange thing is that it pulls in between, in certain load situations when accelerating also quite normally, also in gas operation, and then it suddenly stutters again. My guess and finally my exclusion diagnosis is from the beginning that the ignition coil is not properly supplied, my thought so far – cable breakage. During gas operation the coil is more demanded, therefore one notices in the bezinbetrieie b usually only much later that it is coil defective. If then nothing at all is possible. Finally only the engine control unit remains to exchange, that there is perhaps something in the wrong. I have a donor car there, an Englishman, where I would take over MSG, ignition lock and WFS. It fails now already because I can not find the WFS control unit 🙂 Then a difference, at the dispenser is near the ignition lock an additional IR receiver in the steering column panel contains n. Shouldn’t this be combinable? Who can give me a quick help? Thanks in advance. Best regards Holger