cold start problem (in the morning) on 2004 Volvo S60

very hard to start in the morning,once started runs and start
like new.the garage changed the gas pump and filter,then the fuel rail and injector,still no luck problem not fix.All that under waranty cause i just bought the car and it started the next morning. the garage doesn't know where to look anymore and i would really like to keep the car since this is the only problem.Help please tanks!!

Asked by for the 2004 Volvo S60
Start by having a shop check that the software is all up to date. I suggest going to a Volvo dealer and upgrading all the software in the car, they often have a fix for this and many other driveability issues.