2001 Chevrolet Blazer Making Strange Sound Idle Home Red Light Starts Acting

2001 CHEVROLET BLAZER
125,000 MILES
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My blazer is making a strange sound when I have it idle at home or a red light and it starts acting like it is going to stall on me. The sound isn't super loud but it's noticeable. it's almost like a belt not a clank clank sound and when it started my check engine light did come on.

Please help, I can do most repairs myself just need to have a little heads up where/ what it maybe.
Mar 15, 2013 at 3:57 AM
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