I've gained a hissing experts required please

[Paul Smith]

Hi

Hope some one can help i have got my ca18et running but she dies after a few secs of running but if i turn the ignition key but don't start her i gain a hissing noise from some where around the inlet i will try and add a you tube thing so you can hear it listen carefully,

thanks

Paul

pic from today
http://i298.photobucket.com/albums/m...playing009.jpg

youtube (sorry about the quality)

http://www.youtube.com/watch?v=HeMP6icnGR0