jb00v8

i have a 2000 ws6 i have replace the alternator and battrey checked everthing getting correct voltege to the battrey and out the alternator but my gauge on the dash is reading in the yellow. also when u start the car it acts like it wants to stall but u can rev it does fine and when u drive it runs perfect. also only does this when it is cold oonce it warms up starts fine and no idel issue also sometimes when i go to start it once agian when its cold the starter just makes a click sound i bumb the key a few times then it starts.