Santro Car missing problem during long drive?

[ali.lifeline]

meri santro car long rout pe missing krti hy, phir jb tak carburetor cleaner se picture me red circled plugs ko 2 se 3 bar clean na kia jae tab tak masla hal nai hota, electricians ko to is masly ki samjh hi nai ati, any expert can help me?