Compression Ignition Addict
Join Date: Sep 2010
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Injector failure or?
I'm posting this up for a friend of mine who is having some troubles with his truck. I'm gonna copy/paste all the available info i/we currently have:
I have an 04 6.0 with 195k on the clock. It has the following done to it.
- Heads studded
- 5" exhaust
- EGR delete (unconfirmed, as the egr is present)
- 04 Edge chip
It had intermittent missing once in a while at startup until warm. (3-4 times over 2 months) It dropped a cylinder after freeway driving, then stop n go for 5 minutes. This happened 2-3 times over the same 2 month period. Once the truck was shut off, and restarted it cleared up with no issues. While towing (3 4x4 atvís) @ 65 mph then down to 25 mph it again dropped a cylinder. This stayed this way for a couple blocks, and cleared some. Once back up to speed it dropped again, and a slight knock appeared on the driverís side, awhile wall of smoke out the tail pipe, and a ride home on the wrecker. While on the roadside I pulled the egr, and it had no water on it. 2 weeks before I towed about 12k load over 2 mountain passes, and back with no issues.
Another issue is with the edge chip. The display has gone out 3 times, and a couple days later it comes back on randomly. No loose wires/connections. I talked to edge, and they said the display was old, and tired. Time for an upgrade.
I took it to a mechanic I trust, as I have no time at the moment to dig into it, and he said #8 injector was dead. He replaced it, and it is as if he did nothing. Same over fueling smoke cloud when started. He is doing a compression check tomorrow, and I suggested yanking the edge out of it to eliminate that entirely.
Any advice/ideas what else to check?