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Loud whinning noise coming from engine

(1999 Ford Ranger)
in Cicero, NY on July 15, 2010
I have a loud whinning noise coming from engine, it mostly occurs when the weather is hot and humid and when I stop and the engine is idling. It will stop if I step on the gas but always returns when I am not moving again. I had the cam-shaft sensor replaced about 2 years ago. Could it be something else like a idle pulley or fan clutch?
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Popular Answer
on July 15, 2010
Anything that has a bearing alternator,power steering pump, belt tensioner , idler pulley etc But usually the first thing that begins to whine is the power steering pump and you can get repair prices here www.repairpal.com/estimator and locate a shop here www.repairpal.com/directory
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