Hello, the problem has been going on for a long time, but it has never been as extreme as this morning (-7° outside temperature): the engine started normal, but after a few meters of driving it didn’t pull at all at all (1st gear). Give it gas or not made no difference. Then I ran right and watched it idle, it ran extremely jerky, like an ancient tractor. The tachometer was near zero and even now gas giving had no effect at all. n turned off and restarted after a minute. Now he ran better (though a bit tough), but I was able to drive. In a warm condition then as always, everything was fine and no jerks. Oh, when I said the problem existed for a long time I thought that he jerked or pulled heavy every now and then after the cold start – but then the problem did not exist for a long time at all. Just like today it was never. By the way, the motor control light did not glow during the jerking and an OBD2 reader did not report any stored errors. Where do you start here? Lambda probe would be the first one in my mind, but there would have to be stored errors..? mfg N