We have a problem with our VW Lupo and are at the end with our Latin. The following problem has been at the vehicle for about 1 year. If you drive short distance (so 5-10 kilometers) the car starts. If you track about 20 kilometers the car says no more mucks, as if the battery was empty. If you break it, it also starts, push it also works. The next day or a few hours later the car starts again. The following parts have already been replaced: Battery : 3 x alternator 2 x fuses have been checked, at the last check the alternator was measured with an oszylogrape (or how the thing is called ). Here it turned out that the alternator has a phase error and was replaced again, only the problem is still present. Here my vehicle data : VW Lupo : 1.0 MPI – 50 HP engine code : AUC Year of construction : 2001 Running power : approx. 170000 km I hope you have some advice for me what can still be done. Rejoice me on your reply.