Sandra asks…after engine start up my car blows out smoke?every so often when i start my audi q7 it takes a few seconds extra to start up and as soon as it starts a thick plume of smoke blows out of the exhaust which smells a bt like diesel oilNancy answers:Hi
You may very well have dripping injectors which are allowing diesel to drip into the cylinders whilst the vehicle is left standing for any great period of time, hence the extra struggle to start it and the cloud of diesel.
If your
