Tach Sensor
I have a 1991 F250 Deisel and I need to replace the Tach sensor but I can't a book that tells me where it is can some one help me, Thanks
Postmaster
Joined: Apr 2008
Posts: 4,802
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Locate your oil fill neck on the gear housing of your injection pump - if you stare at it from in front of the truck, the tach sensor is the big nut with two wires coming out of it that is located to the right of the oil fill neck. It takes 1" wrench to remove, and it can only be bought at the dealership parts counter, pricing seems to vary between $60 and near $90 with no apparent pattern involved.
Post Fiend
Joined: Jan 2005
Posts: 8,402
Likes: 10
Locate your oil fill neck on the gear housing of your injection pump - if you stare at it from in front of the truck, the tach sensor is the big nut with two wires coming out of it that is located to the right of the oil fill neck. It takes 1" wrench to remove, and it can only be bought at the dealership parts counter, pricing seems to vary between $60 and near $90 with no apparent pattern involved.
Also check out the great IDI page in the diesel section on here. Scroll on down the forum pages and click on Pre-powerstroke Diesel.
M.L.S.C. If it stand there and stare at the injector pump from the front of the truck will it fix it self. Thanks for the info and I just could not resist the comment.
Postmaster
Joined: Apr 2008
Posts: 4,802
Likes: 1
No, it won't fix itself, I try that every few weeks and still no go - what was Einstein's definition of insanity, doing the same thing over and over again and expecting different results? lol
And the diesel forum for your truck is this one: https://www.ford-trucks.com/forums/forum117/
And the diesel forum for your truck is this one: https://www.ford-trucks.com/forums/forum117/
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lonewolfone
Pre-Power Stroke Diesel (7.3L IDI & 6.9L)
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Jul 22, 2014 10:47 AM
