HiWould a faulty coolant temp sensor cause the engine to idle rough?

2000 KIA SEPHIA
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RIEBED
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sporatic idle-new plugs and wires (plugs gaped @ manf. specs.)
Nov 15, 2011 at 10:25 PM
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ASEMASTER6371
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it could but the check engine light would be on, black smoke out the exhaust.

most likely a vacuum lea.

Roy
Nov 15, 2011 at 10:41 PM
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Thanks
Nov 15, 2011 at 11:02 PM
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ASEMASTER6371
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good luck
Nov 15, 2011 at 11:17 PM
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