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Reposted it here hope to get more respond :(.
Video recorded by ipad2
YouTube - Sard fuel regulator whistle?
I've bought a New Original Sard Fuel Regulator Standard yesterday and install it on the day itself. After installation, the Sard FR is making some high pitch noise constantly at the pressure of 2bar and above during idle, the sound is like an airplane sound, similar to when the car has lack of earth and when the audio player is on, the similar sound can be heard through speaker. So we tested below 2bar, and the sound disappear. Again we set to 2bar, it appear. Even when driving, the sound constantly appear until 4000 rpm rev and above, it disappear, and return when below 4000 rpm. Is like hearing the fuel travelling sound, or i dunno?
I've tried unplug the vacuum hose on top of the FR, and the sound gone. But appear again when i plug it back. What could be the possible cause of this?
Not to say during starting my car, the weird sound sure appear, and i know this one is quite famous cause i've owned a Sard FR last time and it happened to be like this also, but not as often as this NEW one, which the sound 99% sure appear when starting.
Video recorded by ipad2
YouTube - Sard fuel regulator whistle?
I've bought a New Original Sard Fuel Regulator Standard yesterday and install it on the day itself. After installation, the Sard FR is making some high pitch noise constantly at the pressure of 2bar and above during idle, the sound is like an airplane sound, similar to when the car has lack of earth and when the audio player is on, the similar sound can be heard through speaker. So we tested below 2bar, and the sound disappear. Again we set to 2bar, it appear. Even when driving, the sound constantly appear until 4000 rpm rev and above, it disappear, and return when below 4000 rpm. Is like hearing the fuel travelling sound, or i dunno?
I've tried unplug the vacuum hose on top of the FR, and the sound gone. But appear again when i plug it back. What could be the possible cause of this?
Not to say during starting my car, the weird sound sure appear, and i know this one is quite famous cause i've owned a Sard FR last time and it happened to be like this also, but not as often as this NEW one, which the sound 99% sure appear when starting.
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