Engine buzz under load?

[A-Dingo-Ate-My-Baby]

is it a hissing ?
a whining ?
a purring ?
a scraping ?
a squealing ?
a muffled whine/purr/scrape/buzz/squeal ?
a gear noise ?
a creak ?
a "nya, nya" ?
a "ohm, ohm, nya, nya"
or "who, whu, wuuu, wuuu" (Bubb Rubb)


Here are all the possible sounds:

Bad Bearing in Timing Belt Tensioner: woh woh woh woh
Boiling Coolant: bllgh blllgggh blllllgggghh
Brake Booster Failing: hissssssssss ssss ss
Clutch Release Bearing on the Way Out: jee je je jeee
Clutch Screech: screek, screek, screek
Connecting Rod that went through the Engine Block: clicketta clicketta clicketta
Dieseling: blubBLUBblubBLUB
Engine Knock: tuckaTHUCKtuckaTHUCKtucka
Engine Reving Up and Down: vooRRRR, vooRRR, vooRRR
Fly Wheel: gurrEENK, gurrEENK, gurrENK
Loose Belt: YEEeeEEeeEEeeEEeeEEee!
Low Coolant: bwwob bwwwobbubwub
Misfire: puhVRooPuhHoo puhVROOpuhHOO
Sticky Lifters: dicka, dicka, dicka, dicka
Water Pump: grrgula, grrgul,grrgula, vum wum wum wum wum
Weak Battery: wurrrrRRRRrrrrwuRRRrrr
Wiper Transmission Sound: eee eee eeee eeee
Vacuum Leak: vwishhhhhhhhhhhhhhhhhh