Driving home from shopping with the mrs today. We stopped at her mums quickly i kept the engine running and waited in the car while she popped in. as i went to pull away i noticed the emission light was on the car didnt feel any different to normal Any idea.s as to what could be wrong? Do you think i'll be ok to drive it as my mechanic isn't back from his hols till 6th Jan! Any help would be appreciated.