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Most likely the idle speed motor. This regulates idle speed. I believe you will find it in the front on top of engine. About $100.00 last time I checked. if check engine light on, chunk of carbon under seat holding egr valve open

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โˆ™ 2006-02-26 06:19:25
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Q: What would make a 1995 Chev S10 Blazer idle rough at slow speed replaced injectors plugs plug wires coil distributor cap rotor?
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