Buzzing/Crackling sound when hitting 2000rpm

Over the last day or so, I have noticed a buzzing/crackling type sound (appears to be from the dash area) when accelerating at around 2000rpm. It seems to go away when I accelerate through it or take my foot off the accelerator.

I have noticed if I accelerate gently then it doesn't make the noise. If I accelerate firmly then the noise appears. It happens in every gear.

Two days ago, I put some redex in the car. Could this have done anything?

Asked on 4 October 2011 by grantyone

Answered by Honest John

Reads like some kind of ignition issue. Keep filling the tank without putting any Redex in and see if it goes away. Preferably use Shell V-Power petrol (assuming the engine is petrol).

Tags: unexplained noises technical issues

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