maybe clogged air filter or carburettar is sucking air and needs repairing
coz ur momma is in ur bonnet!
Likely to be a punctured lung.
A hissing sound coming from a chest wound can indicate that air is being sucked into the chest cavity through the wound. This is known as pneumothorax.
No
Coughing up blood, Sucking or hissing sound coming from the wound, frothy blood coming from the wound.
Flex plate (you might know it as the fly wheel) rubbing on something? Bad alternator? Trace the sound to where it's coming from, describe and ask again.
air coming out of the brake lines... that is if its a truck. if you aply the parking brake.
if you are getting a hissing noise when you press the accelarator , it might be coming from the exhaust , this is usally caused by a clogged catilytic converter
The hissing may be due to a disconnected vacuum line. Look for a loose vacuum hose and/or a tube on/near the throttle where it might connect to.
When the car is coming to a stop, it is decelerating--or it has negative acceleration.
Coughing up blood, sucking or hissing sounds coming from a chest wound, frothy blood appearing from air bubbles coming from the wound
Depends on where it is coming from. If it seems outside of the vehicle, it could be a hub bearing.