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?
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?
The usual cause is a vacuum hose has come off under the hood somewhere.
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