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Old 04 Jul 2008, 07:46 pm
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Default Honda Odyssey will occasionally not idle when started.?

Engine will shut off when I stop, even when it reaches running temperature. After 15 min it "cures" itself and everything runs fine.The problem may not repeat itself for several months, then shows up again.this a 2001 Odyssey LE, with 77K miles.Anyone know the possible cause?
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Old 04 Jul 2008, 08:01 pm
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its probably related to the idle air control valve that is primarily responsible for maintaining the engine idle speed. that valve regulates air flow around the throttle plates and over time it gets clogged with carbon (think soot in a chimney). when the plunger from the valve gets caught on the carbon it sticks and the engine stalls. usually when the engine warms up the clearances expand and the valve plunger has less likelyhood of getting hung but higher engine temps also cause the carbon to get sticky.the valve should be taken off and the passages cleaned with carburetor cleaner. the valve is on the underside of the throttle body. typically it costs about $30-50 to get the valve removed and cleaned.hope that helps
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