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Hi,

Im getting a Shuttering or rattling noise when my turbo kicks in. This usally only happens at night but sometimes happens in the day. I can usally drive it all day with no problem and then the next day the noise is back. It doesnt affect the performance of the car, just makes a noise like something is loose. This noise could be really loud one day and the next day i wont hear it at all. Does anyone know what this could be?

Thanks

Matt

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https://www.sau.com.au/forums/topic/122522-shuttering-or-rattling-noise/
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If your running too much boost, running a lean air fuel ratio, too much ignition timing, less than 98ron fuel or any combination of these will cause detonation (aka pinging, aka can of marbles) will destroy your engine.

I'm surprised it hasn't already as from your description of the sound I'd say the condition is quite severe.

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