Omega A KWS in the bucket?

Hello dear people, yes I already again ;D My Omega makes more bitches than he runs =/ Latest problem, sporadic death. And it is really sporadic, he ran now for a week alternating times really good and then again bad, then not at all.. The problem expresses itself as follows, in the middle of the ride (where I noticed that it was mostly when riding low-touring) the tour counter starts to twitch, falls out and at the same time the MKL flashes or lights up briefly. otor dies off, but still goes after it enormously, but you can do what you want, uncouple, switch off, give gas or start, the part does not start any more. At some point, if you are lucky, the box starts again, and depending on the luck and mood of the vehicle you will arrive a few kilometers, or only until the next crossing. So, of course, I read out the error codes, and the only error code was 31, which means no signal of the KWS, which is logically because the engine is With a lot of thinking and excluding other possibilities together with 2 mechanics, we thought maybe it’s the KWS after all? I removed it once, cleaned it and carefully turned the crankshaft with a screwdriver, and also the crankshaft cleaned as well as it was possible, then the Ommi ran again a few kilometers. Could of course also have been a coincidence. xD So I’m pretty at the end of my knowledge, I did pretty much everything possible for me. ar, and need your help and advice. Before I forget, here the vehicle data, should finally edit the signature ;D Omega A 2.0 L 116 PS petrol year 1993 185,000 km Thanks already for the help and if you still need data it just says ^^ lg