hi all i have a problem with my fiesta 1.25 2001 freestyle
when i drive down a hill and leave the car run down in gear not pressing the throttle and come to a stop when i pull off i notice in my mirror a puff of smoke for a second or two then its gone dosent smoke any other times also i have noticed that its pinking alot when its warmed up to normal temp it has only done 79000 miles but dont know when it was last serviced anyone have any ideas for me or had this problem thanks......