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High Idle on 97 Tahoe, HELP!

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Old Nov 16, 2014 | 6:00 PM
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Keeyon77
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Default High Idle on 97 Tahoe, HELP!
I have a 97 Tahoe 5.7L V8 that continues to idle high and I'm clueless at this moment as to why. I have replaced the idle control sensor and the distributor, cleaned the mass air flow sensor, cleaned the EGR valve, and the truck still idles at 1500RPM. A recent smell of rotten eggs has occurred and I'm not sure what to do at this moment.

Any suggestions on what to do?
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