wincso
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« on: November 16, 2020, 12:54:10 PM »
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Hi
Would anyone have an idea what might make an ME7.5. after raising the charge pressure between 2000rpm and 3000rpm at 80-90% engine load, the pre-ignition value is set to around -4, -6 degrees by the ecu.
There is no intervention for knocking burns.
What could be the problem?
Thanks
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