Temp guage
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Freshman User
Joined: Mar 2003
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Temp guage
I have a '93 F-150 with the 5.0, my problem is that the temp. guage is constantly moving up and down. It's not the slow movement that you would normally see when the thermostat opens, but a constant erratic movement from the "cold" to just into the normal range. It was a lot worse before, but that was due to a bad connection on the sending unit. I fixed that and thought the problem would go away, but it's still doing it to a lesser degree. Anybody have any ideas?
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Joined: Sep 1999
Posts: 2,297
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From: Indiana
415dave
You can try the sending unit.
I did in my 94 Aerostar. After this very same issue driving me nuts for about 8-9 months ( after changing out the original equipment Motorcraft thermostat ), I thought I would try a Motorcraft replacment thermostat, (as I had put in 2-3 thermostats of different makes and changed the temp gauge sending unit)
The Motorcraft thermostat cured my problem immediately. So now I only use Motorcraft thermostats in my Fords.
Not saying this will cure your problem, but it did mine.
You can try the sending unit.
I did in my 94 Aerostar. After this very same issue driving me nuts for about 8-9 months ( after changing out the original equipment Motorcraft thermostat ), I thought I would try a Motorcraft replacment thermostat, (as I had put in 2-3 thermostats of different makes and changed the temp gauge sending unit)
The Motorcraft thermostat cured my problem immediately. So now I only use Motorcraft thermostats in my Fords.
Not saying this will cure your problem, but it did mine.
