OHC Temp Way Off - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 07-19-2011
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OHC Temp Way Off

Was driving today and the temp went to -40 degrees. Anyone have an idea? Maybe the sensor is messed up? I've had it in there for 3 years with no problem.
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Old 07-19-2011
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yeah, when the sensor goes back, it goes to -40. might double check your connections and make sure they are still good to the sensor.
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Old 07-19-2011
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I figure tomorrow I'll look under the truck and see if its all still connected. It got dark when I got back with something for the Ranger so it will have to wait till tomorrow.
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Old 07-20-2011
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I am also having the same problem except mine has read 140F for the last month and it doesn't change at all. It started happening about a week after my last wheeling trip. I have checked all connections and they all are good. Do you think it could have shorted out or something?
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Old 07-20-2011
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Mine did this a few times (going to -40). But then after I turn off the truck and start it later, it fixes itself.

This was a month ago and it hasn't happened since
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Old 07-20-2011
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the 140 thing happened to me as well. but it hasn't done it in like the last 3 years and I did nothing to fix it.
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Old 07-20-2011
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x2 on the sensors---when you go to the JY, pick up a couple of extras like i did when mine went bad.
MikeR
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Old 07-20-2011
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hit the ohc once with ur hand....fixed mine lol. if not i have a few sensors
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Old 07-21-2011
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Mine just did this again yesterday (-40). If the sensor was bad wouldn't it do it all the time?

It wouldn't hurt to have an extra sensor though
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Old 07-21-2011
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mine gets stuck at 62 every now and then.
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Old 07-22-2011
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Spend the 20 bucks and get a new sensor.

http://www.rockauto.com/catalog/x,ca...,parttype,7000

AIRTEX / WELLS Part # 5S1143 More Info {#F87Z12A647AA, SU2293}
[Flag indicates this part fits vehicles sold in the US Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] [Flag indicates this part fits vehicles sold in the Canadian Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] Eddie Bauer; (For Overhead Console)
[Flag indicates this part fits vehicles sold in the US Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] [Flag indicates this part fits vehicles sold in the Canadian Market. It does not indicate where the part was made -- manufacturers produce parts in multiple factories worldwide.] XLT; (For Overhead Console)
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Old 07-22-2011
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Junkyard tomorrow and have a few fall in my pocket
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Old 07-22-2011
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No wonder I cant hit a u pull it yard without a cover charge.
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Old 07-22-2011
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its a conection with the sensor depending on which wire it is it can be either -40 or 140

the temp getting stuck at a random temp sounds more like a bad sensor than anything. go to the yard and pocket a new one.
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Old 07-23-2011
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Quote:
Originally Posted by Blhde View Post
No wonder I cant hit a u pull it yard without a cover charge.
Haha, ours has a fee also but we get in free since they put free coupons in the phone books around here so we go around and get them out.

Figured out my problem. Had a wire off at the firewall. Don't know how that happened.
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