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Ok I’m having a mystery issue with my truck I changed out all the glow plugs and it stills throw glow plug cylinder 8 for some reason the main issue I’m having is some times when I’m at hwy speeds the truck may act likes it wants to die but long as I keep my foot on the gas it will hold at about 50 mph and then after a moment it will go back to normal let’s say if I was not to hold the pedal and I pull over and let it idle it would be rough and it will kill but it will start back up and run bad for a lil and go back to Normal it’s starting to annoy me so much I love this truck and it just won’t let me be great.
Oh man. First, punctuation please. That is very hard to read. Second, welcome to the forum. I'm afraid I don't think I can help with your issue. But someone will be along that can.
Oh man. First, punctuation please. That is very hard to read. Second, welcome to the forum. I'm afraid I don't think I can help with your issue. But someone will be along that can.
sorry bout that the way it is like it could be something minor just hasn’t threw a code yet
Have you checked the resistance from the plug to the battery ground?
I don’t recall what it should be right now. But it should be nearly the
sane for all eight plugs.
by checking from the plugs that plug into the GPM you can get an idea
on the health of the harness and glow plugs.