TFT TEMP DIFF?? - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 04-03-2011, 12:43 AM Thread Starter
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Question TFT TEMP DIFF??

G'day Fellas,
I just recently fitted a set of 6 x ISSPRO Guages. Prior to this I had an Edge EVO to read vitals including TFT.
I took the caravan away on a trip a couple of weeks ago. I have a PHP FU2 Pos'n change on the fly chip and used it extensively. That is depending on terrain I'd flip through the different settings to get the best out of the workhorse. All worked an absolute dream .. brilliant 4 x tow tunes 25, 40, 65, 80 an 80DD and 100Perf.
However I noticed a difference in the TFT reading from the PCM on the EVO compared to the ISSPRO guage. The guage sender unit is located in the test port on the left side of the slush box as per recommended position for the 4R100.
It didn't matter if the truck was unladen or towing the EVO PCM read out was a constant 15° higher than the ISSPRO Guage.
Which one is the most believable


Aussie spec Brazilian built 2005 (US 2003) F-250 Superduty 4x4 7.3Ltr Powerstroke: PHP FU2 Chip,6xISSPRO Guages,AIS Intake,Zoodad, Cowl Hood, AIH Delete, DIY CCV, BTM muffler, MBRP Black Tip, RiffRaff FRx,HPx, JWVB, ARB Air Lockers Front & Rear, V10 Tranny Cooler + Stock cooler, Deep Tranny Pan, ARB Bull Bar, Edge Evo (PID & Codes only), Long Range Fuel Tank, VMS in Dash GPS Street & Off Road Nav, Toyo OPAT AT 305 70R 16”on 10” Rims, HD Suspension & Leveling Spring.GVWR 5,000Kg.
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