i have a mk3 1.6 escort the fuel pump stops when primed but on my mk3 rs the fuel pump still keeps going is this right i am going to take off the censors again to clean them as oil went right through system from inlet to tailpipe as just changed turbo as old one seized and the car dosnt idle any more was ok before turbo had blown was abit lumpy to start then idled ok has upgraded cam after the car stalls out it sometimes wont start its flooded after first turn if dosnt go