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LBZ: Help! No one can figure out the issue.
Thanks to everyone for all the feedback. I went back and took a look at engine torque and it's flat. I assume that mean the engine is rotating smoothly. But I do not know if that is a real number or calculated. The data I have posted so far have been very short duration. Here is a one... -
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LBZ: Help! No one can figure out the issue.
We have tried the stock tune and a different ECM and get similar operation. I have been able to figure out at least in part the cycling of the pilot seems to be due the fact the truck was not up to operating temperature when the data logging was done. My truck does the same thing when cold... -
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LBZ: Help! No one can figure out the issue.
Yes, Injectors #8 and #3 were swapped and the miss fire and high balance rate stayed with #8....:confused: -
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LBZ: Help! No one can figure out the issue.
We have tried Stock tunes and different ECM all see to have the same issue. Here is a screen shots of what we see the truck doing. What I see even though the engine sounds and feel like smooth while idling its not it seems to be surging. I know this is hard to see but the truck is doubling the...