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Power Strokes
7.3 Aftermarket
Blue smoke on cold start...
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[QUOTE="maplemale, post: 1090790, member: 17366"] Well, I guess I know why Matt hasn't gotten back to me. Must still be trying to work it out with others and probably has no solution for me anyway. AE didn't help me in this case. All tests were good. GP tests are good, injector tests are good, cylinder contribution tests good. No codes at all. I am sitting at 680 - 700 RPMs at idle. 12 - 13 PSI EBP. I can tell you via AE exactly what oil temperature the smoke stops at: Oil Temp: 71 Degrees (ambient 68) Smooook!!! Oil Temp: 100 Degrees 20% - 30% less smoke. Oil Temp: 110 Degrees 60% - 70% less smoke. Oil Temp: 120 Degrees Smoke barely noticeable at all, keen vision required! Oil Temp: 130 Degrees Smoke completely gone. I thought for a while: what if it's specific cylinder(s) causing the issue? So, I made a cylinder cut-out-box. That was fun! I could turn off any one cylinder / no difference. I could turn off two across from each other (7,8 then 6 and 5 etc.). No difference. I could turn them off like 6,8 then 7,5 etc. Or, turn off all one side. If anything, any combination of cylinders being shut off makes it smoke worse. lol Anyway, I really like the gearhead tunes (once it's warmed up). But, I'm wondering if I should try another tune and just buy the economy to see if maybe it's still a timing issue. I don't know. I'm not out of resources yet, just out of ideas. [/QUOTE]
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