Doppler effect causes engine sounds to glitch out

(im aware this is probably not the correct category, but i dont have access to put the “engine bugs” category, so i apologize)

I have noticed that my engine sounds suffer from a lot of glitching, i wasnt sure what could have been causing it until i found out that the doppler scale is the one behind it.
However, if i look 90 degrees to the side the engine sounds completely fine.

How could i somehow fix this? its incredibly annoying and it ruins flybys.

heres some clips of whats happening:

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