2006 6.0 High Oil Temp Reading, but Normal oil temp. - Ford Powerstroke Diesel Forum
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Old 07-16-2011, 04:51 PM
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2006 6.0 High Oil Temp Reading, but Normal oil temp.

I have searched high and low for some info on this issue. I have a 2006 6.0 that the wrench light comes on after about 30 miles. I borrowed a code scanner that reads live data and the oil temp was 255. I used my infrared heat gun to confirm that the oil was actually right with coolant temp. After sitting all night, the temp was still 30-40 degrees higher than the coolant temp. I have read about wire chafing and would like some input. Thanks for some really great reading materials.
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Old 07-16-2011, 07:45 PM
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sounds like a faulty sensor. Could very well be a wire that rubbed through and is either making contact with a voltage + wire or could also be rubbed to a ground.
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Old 07-16-2011, 07:59 PM
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The sensor was the first thing I tried. I bought a new sensor at the dealer, because I thought 31 bucks was worth the chance. I guess I will have to dig around the harness and see if I can spot anything substantial. Thanks for the reply.
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Old 07-19-2011, 07:15 PM
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No luck on the harness being the cause of my problems. After it sat all night and day, the ECT was 82 and the EOT was 112. I'm still at a loss. Do you think it could be as easy as a complete reset?
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Old 01-13-2012, 01:34 PM
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So is it fixed now? What fixed it?
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Old 01-13-2012, 01:40 PM
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You may want to check in to whether or not there is a recent flash for your truck.
It may be a programing error. Since the sensor checks good and no wireing problems.
Did you test your heat gun for accuracy?
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Old 01-13-2012, 08:07 PM
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Quote:
Originally Posted by Quickvo View Post
I have searched high and low for some info on this issue. I have a 2006 6.0 that the wrench light comes on after about 30 miles. I borrowed a code scanner that reads live data and the oil temp was 255. I used my infrared heat gun to confirm that the oil was actually right with coolant temp. After sitting all night, the temp was still 30-40 degrees higher than the coolant temp. I have read about wire chafing and would like some input. Thanks for some really great reading materials.
what did u use for a scanner. i have heard with some that if the temps are crazy when the truck is cold, they may need to be adjusted in the gauge device ur using.
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Old 01-15-2012, 10:16 AM
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It turned out to be more than one problem. The wrench light was coming on because of a pllugged oil cooler, but the scan tool I was using was known to not be accurate for reading the oil temp. It was a MAC. Now that I have replaced the oil cooler and EGR cooler, all is well.
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Old 01-15-2012, 09:01 PM
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did you go with stock coolers or upgraded?
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Old 01-16-2012, 05:36 AM
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Quote:
Originally Posted by Quickvo View Post
It turned out to be more than one problem. The wrench light was coming on because of a pllugged oil cooler, but the scan tool I was using was known to not be accurate for reading the oil temp. It was a MAC. Now that I have replaced the oil cooler and EGR cooler, all is well.
u shouldve deleted the egr.
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6.0, chafing, oil temp, pcm

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