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12-26-2014, 08:00 PM | #24 | |
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Well, if you are not happy, than I would not say what I think, I would say what I know. Running engine hot will clean intake if the temperature will be enough to desorb carbonates. Theoretically things should work if conditions are OK. I mean temperature, pressure and time. Do you know intake temperature during operation, do you know the pressure? |
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12-27-2014, 08:59 AM | #26 | ||
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12-29-2014, 09:17 AM | #27 | |
Second Lieutenant
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Drives: F22 M240i
Join Date: May 2013
Location: South Africa
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Carbon deposits, i.e. enough to become problematic, are inevitable on the N54 as with so many other direct injection engines (e.g. the VW/Audi 2.0TFSI/TSI) and no amount of driving adjustment or procedure, other than say a walnut shell blasting, is going to temporarily fix the problem. Not this "burn off temp" lunacy, not running meth and not using additives like Seafoam. Your best bet at delaying the inevitable is to run decent fuel and add a catch can/revise the PCV system. |
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