I have a 2004 VW Golf Variant. There's no problem, I'm just curious.
Just after I have opened the driver's side door, a small motor runs for about one second, then stops. This also happens if I stay seated after stopping the car, and then open the door after some time has passed.
I am certain t...
"Compared with injecting fuel into the intake manifold, there is only a limitied time window available for injecting fuel directly into the combustion chamber. Mixture formation is therefore more important and in the case of direct injection, fuel must be injected at a pressure up to 50 times greater than is the case with manifold injection."