can anyone help i have a vectra 2.2 auto whitch is runing at 900 rpm in tick over is this normal,plus when you are sat in traffic with your foot on the brake all it wants to do is pull forward fighting the brake all the time, i'v just come from an omega 2.6 v6 witch just sat there with no foot on the brake & waited for you to put your foot on the gas before it did anything does anyone no what the problem could be any help would be appreciated , also when you take your foot of the brake it takes a second to pull away,thanks for any help you can give as i have kids in the car & i dont feel safe.