What is wrong with my 92 Honda Accord Wagon?It surges in idle and at park position. Is it a vacuum seal leak?

1992 HONDA ACCORD
264,000 MILES • 4 CYL • 2WD • MANUAL
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CJW4HONDAS
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What is wrong with my 92 Honda Accord? The engine surges in idle and park position. Could it be a vacuum seal leak?
Jan 20, 2011 at 10:57 PM
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KHLOW2008
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The idling speed is too high and possible causes are :

1. Lack of coolant.
2. Clogged coolant hoses to IAC and FITV.
3. Stuck Fast Idle Thermal Valve (FITV).
4. Idling speed adjusted too high.
5. Leaking vacuums.
Jan 22, 2011 at 1:10 AM