740 Turbo Revs between 2K-1K

Help! My 1989 740 Turbo sedan began revving this week. Say I'm at 2K RPM, then I let off the gas. As soon as it hits 1K RPM, it revs back up to 2K, then back down, then back up. Any ideas?

Reply to
Katrina
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The usual cause is a vacuum hose has come off under the hood somewhere.

Reply to
James Sweet

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