2002 Chevrolet S-10

Engine Performance problem
2002 Chevy S-10 4 cyl Two Wheel Drive Automatic unknow miles

I have a 2002 Chevy S10. I have had it for about a year. When I got my truck, the used car dealer told me that it was a work truck before. I was installing a system in my truck and I notice that my vacuum line on the drivers side had came off ( it looks like a " T" ). The vacuum line was dry rotted and it had detached from where ever it came from. I dont know where it goes and where to get a new vacuum hose. I tried autozone and the couldn't help me. My engine also idles hard, I think its the vacuum line but im not sure. Please help
Cabbage Patch
January 24, 2010.

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