Join Date: Jan 2011
Location: New Sharon, Maine
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Rough idle, Rough Running Cylinder 6 high circuit code
Hello all I have been searching the site for a while trying to find a match to the problem I'm having so I did not make a duplicate thread but haven't found anything quite the same (so far).
I was hauling my camper several weeks ago headed out on a trip. For the first 3o minutes everything was fine truck was pulling wonderfully. Suddenly I noticed a slight loss in power and the truck started chugging. Not throwing any codes I checked all of my temps and voltages everything appeared normal.
The truck has a couple of exisiting issues which I am trying to work out as I can afford. One being a leaking up pipe the other being a high pressure oil leak (suspected) but neither has produced this issue yet to date.
This issue has persisted ever since and it does seem to be the worst at approximately 1500 rpm in the 50-55 mph range (when the motor is lugging down without down shifting). I have been contiuosly monitoring my FICM voltage thinking it may be that but that is consistently 47.5-49 volts. The only code the truck is throwing is the P0277 cylinder #6 High circuit. I was due for a service this last week and added Archoil 9100 thinking this may be a stuck injector. Obviously it may take longer for that to take effect but I am wondering if anyone has any other ideas. From what I have seen of others with similar circumstances that have been told either a cracked injector tip or an issue in the injector wiring harness. Could anyone point me in the right direction? I also have changed the program several times since the issue started and it is consistently acting the same and only throwing the same code. thanks again for all of your collective knowledge. It has helped me on more than one occasion and hoping you may be able to again!
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Building it to last one piece at a time!