Quote:
Originally Posted by allen841231
can you elaborate a bit more? thanks in advance
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Compressor surge is when the valve doesn’t open and the air doesn’t escape the bypass valve because the spring is too stiff. This causes the excess air to bounce back and forth between the throttle body and the turbo. This can damage the turbo. Basically the air is banging into the compressor wheel of the turbo, that’s the flutter sound.