93 F-150 4.9 idle too high
12-07-2011, 06:25 PM
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Ford fan
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Location: Rhode Island
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93 F-150 4.9 idle too high
I have a 93 f-150xl 4.9 I just bought from a private seller. truck is in very good shape. Needed a tune-up which I did and discovered he had two of the plug wires crossed. I have them in right order now and engine runs without a hitch except the idle is very high. It kicks down after starting like it should but when driving it kicks up in neutral. I cleaned IAC valve and replaced a couple of rotted vac. lines. Any suggestions?
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