Get a filter for your alternator. What you are hearing is alternator noise in the speakers. You can purchase these at a Radio shack or electronics store to take the alternator noise away.
Just start it like normal and when the revs start to sound distorted start accelerating
Sounds like a bad earth somewhere,i'd start with the battery and chassis earth's,the fan and lights draw the most current hence you're problem
That sounds like a classic idle air valve problem. clean the valve before you do anything else
IT SOUNDS LIKE YOUR ICV. (IDLE CONTROL VALVE) YOUR CAR REVS UP AND DOWN RIGHT? JOSE
Sounds like the clutch disc is destroyed.
That sounds like a slipping clutch or auto transmission. In either case you need some work.
Have you changed the main jet? Sounds like needle not seating fully or correctly.
little more info would help but from the way you worded it it sounds like its a automatic sounds like a transmission problem to me bring it to a good mechanic
i have exactly the same problem by the sounds except i classed it as 2nd revs, and mine was a kia sportage 2001, the a/c belt broke and it began. i have replaced the belt but the revs (diesel engine sound) is still there. if you have found an answer please look for kia sportage 2001 4 door and let me know whats wrong:( with our cars
Revs - video game - was created in 1984.
Revs - video game - happened in 1984.
sounds like a vacume leak to me