A Akash New member Sep 17, 2010 #1 I've dual fuel option. The sound is there only when I drive with Petrol/ Octane. But when I drive with CNG, the sound is absent. Additionally there is no sound when revving!
I've dual fuel option. The sound is there only when I drive with Petrol/ Octane. But when I drive with CNG, the sound is absent. Additionally there is no sound when revving!
