I drove it a bit and tried to burn some of that crap out italian style and the clacking is almost gone,but I think I need to check the injectors.When I bought the car 3 months ago the previous owners(an older couple which owned the car for like 10 years)thought it could use new injectors which i imagine a mechanic told them would clear up the smoke issue at startup.They didn't say anything about the IP leaking but they did think it had an oil leak which was actually the IP leaking.The car used to be a little quieter when I first got it I think.What other things could attribute to the louder engine noise?Or is it just a diesel?