was trying to recode some injectors today with my snapon mt2500

i seem toi remember reading somewere to code em for cylinder no 1 you do 3 2 you do 4, 3 you do 1, 4 you do 2


is this correct? we were trying to problem solve one, cam sensor made big differnece even though no fault codes were present for it

another one i have int he workshiop showing p0251, commmon for pumps etc, changed the filter no difference, but no swarf in the fuel present


these mondeos are a reet pain int he arse