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Fred Harris

10-23-2012 07:30 PM

88 Chevy 5.7 High Engine Idle

I cannot find any vacuum leaks. Replaced - TPS, CTS, Idle Air Control Valve,
CPV valve in valve cover, Gasket between Throttle body & intake manifold. Codes were showing 22 & 24 before I replaced TPS. Still idles way too high. Any ideas?

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