lubeowner
New member
I have a deal where I fix all 6.0 trade ins for the local dodge dealer. Earlier this week they brought me a 2004 that they took in on trade not running. The customer trading it in told them that the ford garage said it needed 8 new injectors. When I got the truck the first thing I found was that it was pushing compression into the fuel on the passenger side head. So I pulled out that injector and replaced it with a new one. What I noticed is all the injectors visually looked new or close to new. This truck has roughly 109,000 miles on it. So I decided to tear that injector down to see what the problem was inside it. The pintle was not sealing and leaking compression back up past it. I also found that this injector had a broken combustion plate. These aren't the greatest pics as they were taken with my phone.
I put a new injector in it and got the truck started but it would barely run. So I decided to pull the rest of the injectors on that head to check them out. What I found was 1 injector with a broken plunger.
I found another one with a worn pintle in the top where the little pin could not push it down to seal and it was dribbling fuel.
So I get this whole side back together with new injectors and hope I have found all the problems. Start the truck up and its still missing pretty bad. So on the scanner I can see that #6 looks to be a dead hole but 4 and 8 seem off so I hope maybe 6 is throwing off my scanner. So I tear into the drivers side and pull that injector out. Well these injectors all look just as new as the passenger side, so I assume all 8 were replaced at the same time. I find that the fuel plunger is stuck down in the barrell.
Now I throw it back together to see what happens. Well 4 and 8 are still off. All the rest seem perfect. So I pull those two injectors to find that they both have broken combustion plates.
Get these changed and put it back together and now it runs perfect. Contribution balance is right on. So i button it up and take it for a ride. Drives perfect, no missing. Its late in the day and I park it in the shop ready to take the truck back to the dealer in the morning. Next morning truck fires right up and decide to take it for one more test drive then deliver the truck. I get about 3 miles from the shop and the truck starts missing. So put the scan tool back on it and now it is #2, the only injector I haven't taken out of this truck. So I pull it out and find it popped the spring retainer clip in half off the top of the plunger.
Now I don't know any of the history of this truck as it was a trade in and I have no idea who owned it last. Here is what I do know, the truck had a big Sinster Diesel sticker in the back window. The truck had headstuds in it and had the egr deleted. If the injectors where purchased at the same time from Sinster, I have no clue. The injectors could have been from Ford. They also did not have the AP anywhere on them that Alliant stamps on their remans. So whose they are I don't know. The injectors also had a grey plastic piece on the top of the spool valves that holds the injector wires in place. All that I know is whoever reman'd these injectors used very poor parts or had a bad batch.
I put a new injector in it and got the truck started but it would barely run. So I decided to pull the rest of the injectors on that head to check them out. What I found was 1 injector with a broken plunger.
I found another one with a worn pintle in the top where the little pin could not push it down to seal and it was dribbling fuel.
So I get this whole side back together with new injectors and hope I have found all the problems. Start the truck up and its still missing pretty bad. So on the scanner I can see that #6 looks to be a dead hole but 4 and 8 seem off so I hope maybe 6 is throwing off my scanner. So I tear into the drivers side and pull that injector out. Well these injectors all look just as new as the passenger side, so I assume all 8 were replaced at the same time. I find that the fuel plunger is stuck down in the barrell.
Now I throw it back together to see what happens. Well 4 and 8 are still off. All the rest seem perfect. So I pull those two injectors to find that they both have broken combustion plates.
Get these changed and put it back together and now it runs perfect. Contribution balance is right on. So i button it up and take it for a ride. Drives perfect, no missing. Its late in the day and I park it in the shop ready to take the truck back to the dealer in the morning. Next morning truck fires right up and decide to take it for one more test drive then deliver the truck. I get about 3 miles from the shop and the truck starts missing. So put the scan tool back on it and now it is #2, the only injector I haven't taken out of this truck. So I pull it out and find it popped the spring retainer clip in half off the top of the plunger.
Now I don't know any of the history of this truck as it was a trade in and I have no idea who owned it last. Here is what I do know, the truck had a big Sinster Diesel sticker in the back window. The truck had headstuds in it and had the egr deleted. If the injectors where purchased at the same time from Sinster, I have no clue. The injectors could have been from Ford. They also did not have the AP anywhere on them that Alliant stamps on their remans. So whose they are I don't know. The injectors also had a grey plastic piece on the top of the spool valves that holds the injector wires in place. All that I know is whoever reman'd these injectors used very poor parts or had a bad batch.
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