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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

shuddering engine

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Old Apr 5, 2000 | 12:06 AM
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timmgill
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shuddering engine

Occasionally, when I turn off my engine, the engine will shudder for about 3-4 seconds before stopping. Any idea what is the problem?
 
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Old Apr 5, 2000 | 09:23 AM
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shuddering engine

Tim ,
What engine are you referring to ? Its possible the timing isnt set properly ? It may be carbon buildup ...the carbon gets hot enough to keep igniting the Air/Fuel mixture . A lower than needed octane in the gas you are using may contribute also .
Paul
 
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Old Apr 5, 2000 | 02:03 PM
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shuddering engine

most likely your idle speed is set too high, or your timing is too advanced
 
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Old Apr 5, 2000 | 05:16 PM
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shuddering engine

It is a 1981 F100 with the 300 I6.
 
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Old Apr 5, 2000 | 07:26 PM
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