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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Tachometer Stays Beyween 3-4K

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Old Apr 11, 2020 | 10:38 PM
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Plowboy34's Avatar
Plowboy34
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Tuned
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From: SE Missouri
Tachometer Stays Beyween 3-4K
91 F-250 Tach stuck between 3-4K no matter what. at idle or high rev it just floats between 3-4K RPM. Any help greatly appreciated
 
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Old Apr 12, 2020 | 12:15 PM
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88n94
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Joined: Jan 2004
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From: South Dakota
Most likely your only fix is to get a different tach. The tach is my "88 F-150 wouldn't drop below a certain point and would register about a thousand RPM too high, I got a different dash off Ebay.
 
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Old Apr 12, 2020 | 02:56 PM
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sandymane
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Joined: Oct 2016
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From: Houston/Sugar Land
Here is a cheap easy idea that worked for this truck that may do it for you without buying a new one. Sandy
 
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