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Hi All I have a 2014 q50 I have been hearing a slight noise under the engine area it was so minimal I didn’t make much of it. Now when I accelerate I have less power and the rpm goes high any thoughts?
 

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How high RPM are we talking because in my 3.7, in standard mode from a dead stop going normal on the gas, it tends to shift at around 3k.
 

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You might want to check your ATF for a low level if your car is shifting higher than usual. Low ATF will cause the transmission to slip the gears. What does the color of the ATF look like? Dark red? Black? That could be an indication that the transmission is burning the ATF for getting too hot from either overloading or slipping gears. If the ATF level is good and doesn't look burnt then it might be the clutches inside the transmission are slipping and need to be rebuilt or replaced. Hopefully it isn't that.

For lack of additional information, that's my guess as to where to start looking.
 
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