What could be causing my 93 bronco to idle high all the time?

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What could be causing my 93 bronco to idle high all the time?

It usually idles at around 700 rpms but now it is up in the 1300 range and seems to go up the longer i'm in it. and when in park after i've driven it, idles even higher.

2007-08-25 08:41:23 · 2 answers · asked by GotInkMan? 1 in Cars & Transportation ➔ Maintenance & Repairs

2 answers

Usually a vacuum leak.

2007-08-25 09:05:28 · answer #1 · answered by Nomadd 7 · 0⤊ 0⤋

vacume leak or faulty idle air control valve

2007-08-25 08:56:06 · answer #2 · answered by John St.Louis 5 · 0⤊ 0⤋