tachometer

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Sep 22, 2014 | 06:45 PM

horsehead

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tachometer

1992 f250 7.3 ford diesel tachometer registering zero. will this affect/harm the motor and or transmission

Last edited by horsehead; Sep 22, 2014 at 06:56 PM. Reason: incorrect question

Sep 23, 2014 | 02:02 PM

01ATony

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Welcome to the site.
Tony

Sep 30, 2014 | 11:23 PM

Sycostang67

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Joined: May 2009

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From: Kuna, ID

It will not affect the motor, but it can affect the transmission if you happen to have the 4spd automatic, E4OD I believe. The E4OD uses the tach signal to shift gears. If you have the older C6 or any manual transmission, you won't have any issues.

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