whining noise when accelarate

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I have a 2002 Bravada Oldmobile, and I have a problem, which i can't seem to figure out. My check engine light came on so I replace both camshift position sensor for the front and side, now the truck is making a whining noise when i hit the gas as if it's stuck in first gear or something. I had another diagonosis ran an it said " Fan Speed High", please can someone help me figure this one out,,,i don't know if it's my transmission, plugs fan clutch are what,,,please help,,thanks

[discnik]

You do not by chance have the code number do you, i.e. P0XXX ?

[Chris Stewart]

You might check the transmission fluid level and power steering fluid level.