Quote:
Originally Posted by fred98050
(Ignition on: Wait about 10seconds after glow light extinguish)x2
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that's better than some do with the MB glow cycle, but depending on models, the full glow cycle is 40 seconds. the light comes on anywhere from 3 to 15 seconds, so at best you are giving the glow plugs only 1/2 their cycle before attempting start.
try this if the starting problems continue, turn the key to the glow position, then wait until you hear the click of them turning off, or watch your dome light, it'll brighten when the plugs turn off. then try starting.
if pumping the primer solves your starting issue, next time pay attention to the sounds the primer makes. how many pumps before you get the buzz signifying fuel returning to the tank? does your primer leak ANY fuel when pumping?