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Ford 83-94 6.9 and 7.3L General Discussion of 83-94 6.9 and 7.3 Liter Ford Diesels

Vacuum Switch?

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Old Apr 9, 2013 | 09:41 AM
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Default Vacuum Switch?
When the code reader throws a code that says idle/decel vacuum switch is constantly closed, what does that mean and what vacuum switch is it talking about?
 
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Old Apr 9, 2013 | 08:10 PM
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Year of the truck and engine
 
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Old Apr 11, 2013 | 07:50 AM
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It is in my signature. 94 7.3 idi Turbo. Under that code, one line on the code reader says idle/decel vacuum switch is closed constantly and another line says wide open throttle vacuum switch closed constantly.
 
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