That's how my timing chain issue started ... worn chain = delayed vanos response.
Of course, it could be so many others... o2 sensors, filthy petrol filter (mine was black when I changed mine), I think the accelerator is electronic...
at least you know it isn't the supercharger.
Of course, it could be so many others... o2 sensors, filthy petrol filter (mine was black when I changed mine), I think the accelerator is electronic...
at least you know it isn't the supercharger.