I have a real problem that seams to stump every garage I have taken my Galaxy to I have a FORD GALAXY 2.0i Nreg When I satart the car it Starts fine after approx 2/3 mkins the engine will start to faulter and I have to rev it to clear this chugging Out of the exhaust comes a black grime (over burnt fuel) after this the chugging will stop and the car will ruin smoovly It is definatly worst in the mornings But can happen in the afternoons too I have had so many parts changed on this car recently and If you have any answers/suggestions at all PLEASE PLEASE REPLy here This is really driving me loopy PLEASE could you all try to help me with this thanks so much for your time in reading this Kind regards to you all ...mark I have a ford disk that shows the parts but obviously does not have and diagnostics on it.