I had poured too much engine oil, so really too much. What to do? Start the engine and drive to the gas station to let it suck and maybe risk a loss? The drain plug and drain the oil rausdrehen and risking that the whole oil rauspfeift. No, I bought this brilliant product. Put the tube on the tube for the dipstick and pumped and pumped and ge ... Worked wonderfully, the oil level is correct again. An electric motor needs no man, the processing is ok, perfectly adequate for my purposes. Can I just weiterempflehlen.