Why is my BMW whistling when I accelerate?
Whistling while accelerating is an intake leak usually. It’s actually getting more oxygen than it believes it is (the leak is after the MAF) so that means there’s TOO MUCH oxygen, causing a lean code. Rich is too much fuel, lean is too much air.
Why is my turbo whistling?
Turbo whistle is the sound of the compressor inside the turbocharger speeding up (also known as ‘spooling up’, which is why it kicks in at the boost threshold (when the turbo starts to kick in) as you accelerate up the rev range.
Why does my car whistle when I start up the Turbo?
Turbo whistle is the sound of the compressor inside the turbocharger speeding up (also known as ‘spooling up’, which is why it kicks in at the boost threshold (when the turbo starts to kick in) as you accelerate up the rev range. When should you be concerned? All turbochargers make some amount of noise – and most people don’t even notice it.
Why does my Turbo whistle sound like a police siren?
In fact, some people purchase aftermarket ‘turbo whistler’ devices that fit inside the exhaust of a vehicle to mimic the sound of the turbo whistle. A turbo whistle shouldn’t be confused with a police siren or dentist’s drill sound – this is likely to be a sign of something more serious, like compressor wheel damage. What causes turbo whistle?
Why do I hear a noise when I put the car in gear?
The transmission should engage easily, and you should be able to drive without any effort. If you’re hearing loud noises when the car is put in gear, it could be one of several different problems depending on the type of noise in question and when exactly you’re hearing it. It may not even be related to the transmission.
Why does my Turbo make a buzzing noise?
• Exhaust gasket vibration – as parts become loose and rub against each other, they can create a buzzing noise that’s reminiscent of a turbo whistle. • Exhaust gasket leak – the noise could be the exhaust gases leaking through a gap or tear, which needs to be repaired.