ENDEVR
Well-Known Member
- Thread starter
- #1
Hello all. I post awhile back about some misfires I was having with the car. Noticed randomly one day I was getting backfiring and when I got home I got a CEL for multiple misfires on different cylinders. Tried swapping all the plugs and coil packs and no change. Swapped injectors and no change. Noticed my LTFT were running rich overtime. I read online that was indication of a vacuum leak. Checked my exhaust manifold and bolts were loose but no change after tightening them down again. My guess was maybe broken IMRC rods but they are still intact. I’m at a bit of a loss as to what to do next. Maybe the actuators aren’t working properly or my intake manifold is cracked or isn’t sealing properly. My misfires started as cyl 6 then added cyl 8 then added cyl 1 then cyl 5. All at different times in the diag. The only cylinder that seems to stay consistent the most is 8. Any guidance would be great as I’ve been struggling with this for awhile. Thought about having Lund update my tune for locked out IMRCs to eliminate any future issues that might pop up, but I’m still waiting to hear back from them.
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