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EOT vs Trans Fluid Temp

1656 Views 7 Replies 5 Participants Last post by  klhansen
After reading several posts about gauges, monitoring, proactive maintenance, etc, I purchased the PLX Kiwi 2 system and the Torque Pro app to run on my bone stock 2000 F250 7.3 PSD. I have read that one doesn't want the delta between EOT and Trans fluid temp to be greater than 15* or so (opinions vary as to the max). I have noticed that mine is reading a MUCH larger delta at ~40*. After driving for a while and no load, the EOT is around 190* and the trans is around 150* or so. Temps in the mid 70's but this delta doesn't really change that much regardless of the outside temperature. This lead me to start asking some questions that I hope someone can help me answer. Is this really a BAD thing? Am I using the correct PID's?

Any input would be greatly appreciated as I am new to the diesel world. Thank you in advance!

The fundamental question is, am I using the correct PID's for EOT and Trans? I have attached a couple of screen shots of the PID's that I am using.

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I have heard of a delta reading between EOT and ECT being 15 degrees but not any tranny temp.
Bill
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Us folks with a 6 speed can read ECT, actually has two coolant sensors on the 6 speeds.
Bill
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