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B21A Warm Start Valve 200 1981

uid 24778's pic
posted by  khanawalt on  Sun Dec 5 07:16 CST 2004
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last visit: Thu Dec 6 21:03 CST 2007
[RELATED]

Actually it's called a Cold Start Valve, I believe. It's on top of the engine between the intake plenum and the valve cover, has a plug and two hoses going to it, one on top and one on the bottom. It's supposed to be open to allow faster idle when cold, and close up when warm to slow the idle down.






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