On my 36///AMG M104 i have a flat spot at 3400 and then its fine at abt 3700 rpm.
I have changed the resonance flap, its relay (is that the OVP) and have changed the electronic throttle along with a full service.

so what is the ovp and how can it affect the faltsopt?

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Jay,
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-1995 Blue W202 C36 AMG (M) SOLD ;(
-1995 Black W140 S500 (Lady)
-1992 Black W124 E300 (Dima) (Ex-Mosselman
Twin turbo Kit).
-1988 Black W124 300 E 4-Matic.(Nadeen)
-1983 Brown W126 500SEL.(Old Lady)(Sold)
-1981 Gold W123 280CE.(Dareen)(Sold)
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