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Re: 1999 454 high idle
Use a spray can of carb or brake cleaner with the engine running. If there is a vacuum leak the rpms will change. Could also be the IAC valve, throttle linkage (binding), bad throttle body (binding).
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57 Chevy 210
65 Olds 442 Convertible (Another one sold)
75 GMC Vandura 3/4 Ton
1999 K2500 Old Body Style Suburban (Gone but not forgotten)
05 Dodge Ram 3500/5.9 Cummins
2012 Toyota FJ Cruiser
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