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Old Oct 10, 2007 | 09:50 PM
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trans temp

does anyone know of a way to check the transmission temp sensor without taken the pan off ?
1992 ford f150 4x4 e40d eec-iv
 
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Old Oct 10, 2007 | 10:14 PM
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There may be a ohmmeter test in the service manual, but I don't have one for that year. Maybe someone else has it.
 
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Old Oct 11, 2007 | 01:17 PM
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From: sunny fla sometimes windy
If you know the pins for the sensor put a ohmeter on it check it cold write it down, go for a ride 5 minutes check it, 10 minutes check it, then 30 minutes do a lot of stop and go wait in the drive thru get a cheesy melt, check it. If it didn't seem like a smooth transition could be bunk or the sensor went to infinity it is bad, It is a thermisiter they can break contact at certain temps especially if they have been overheated a number of times!!
 
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Old Oct 11, 2007 | 02:58 PM
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A good OBDII test tool should indicate if the sensor is functional.
 
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Old Oct 11, 2007 | 04:23 PM
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It could be a wiring problem though. And it would be nice to know the exact resistance readings of the sensor vs the temp.
 
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Old Oct 13, 2007 | 11:01 AM
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Good luck on finding a chart, Maybe the manufacturer of the actual themasister would have it but at least checking while the temp is rising will indicate a break in the signal.
 
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