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Engine slow to rev down 200

posted by  Don Foster on  Sun Jun 23 00:48 CST 2002
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last visit: Sun Oct 5 11:53 CST 2014
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What does "forever to rev down" mean? Five minutes?

Possibly a gummy, varnished, stuck, or worn-out CIS motor (idle air valve) or defective or misadjusted throttle switch.

The turbo cars (evidently this is one) DO wind down a bit slower because when the throttle shuts, the turbo's still spinning and producing pressure. This pressure bypasses the throttle 'n IAV and keeps the idle high for 3-4 seconds. Newer turbos used a pressure relief valve to dump this pressure when the throttle slams shut.
--
Don Foster (near Cape Cod, MA)






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New Engine slow to rev down [200]
posted by  EgS60racer  on Sat Jun 22 21:59 CST 2002 >


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