I am currently on a trip and I have been monitoring engine and trans temp, instant fuel use plus others via an OBDLINK MX on a tablet.
So far the best economy has been at 96kph in normal drive, but if I get a climb I knock it into sports mode then back when I reach the top.
There are no really steep sections where I am but the climbs are fairly gradule but long.
Engine temp is between 86 & 88, and the trans temp is between 88 & 92.
My worst has been 15.7/100 klms over a 360klm stretch and my best was a mind blowing 12.6/100 klms over a 280klm stretch.
I am towing a 1,800kg pop top and I have had good towing conditions, really calm.
I think that is extremely good fuel economy and I know if I am cruising at 96 for 13/100 klms and I increase my speed to 100 the instant usage jumps to 17/100.
If I drop it down to 85 kph the usage jumps to around 15/100
If I leave the trans in normal mode on a hill and don't flick it into sports mode the instant fuel usage jumps, a lot.
Driven with a little thought the Ranger is easy on fuel.
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Fuel economy
- saeb
- Site Admin
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Nice work Ross, please share your TFT math please. I think you are using the old math and your temps could actually be higher than that. I was going to say something the other day and I forgot all about it.
Stewart
Ford PX2 Supercab 2015 Automatic
Ford PX2 Supercab 2015 Automatic
- RossPat
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What is TFT math?
Last edited by RossPat on Fri May 18, 2018 9:18 pm, edited 1 time in total.
2018 XLT PX2 in Winning Blue
- saeb
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The math you have entered for transmission fluid temperature PID in the software on your tablet.
Stewart
Ford PX2 Supercab 2015 Automatic
Ford PX2 Supercab 2015 Automatic
- RossPat
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Min Value: 0
Max Value: 200
Header: 7E1
Mode: 22
PID: 1E1C
Equation: ((A*256)+B)*5/72-17
Max Value: 200
Header: 7E1
Mode: 22
PID: 1E1C
Equation: ((A*256)+B)*5/72-17
2018 XLT PX2 in Winning Blue
- saeb
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Try this and see where it sits. You will find you generally sit in the 90’s and will crack 100 at times. Operating temp for these boxes is in between 80 and 120 degrees. You will find that with this math the TFT temp when the engine is cold and not running will nearly be identical to ambient air temperature.
((A*256)+B)*10/16
((A*256)+B)*1/16
This one is my fault as I update Ultragauge and Scangauge math but not OBDlink or Torque. The old math was based on the fact that Ford own software should be correct. Unfortunately it is not so the Forscan is not. I need to get them to fix that also, I thought I already had.
((A*256)+B)*10/16
((A*256)+B)*1/16
This one is my fault as I update Ultragauge and Scangauge math but not OBDlink or Torque. The old math was based on the fact that Ford own software should be correct. Unfortunately it is not so the Forscan is not. I need to get them to fix that also, I thought I already had.
Stewart
Ford PX2 Supercab 2015 Automatic
Ford PX2 Supercab 2015 Automatic
- RossPat
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No worries Stewart, all changed and I will let you know how it goes.
2018 XLT PX2 in Winning Blue
- RossPat
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When I started up from cold it read 180, within 3klms it said 420 and my default is set to "C"
2018 XLT PX2 in Winning Blue
- saeb
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Sorry OBDlink and Torque will use;
((A*256)+B)*1/16
Just tested and match my Ultragauge 100%
So 180 would have 18 and 420 would have been 42.
Stewart
Ford PX2 Supercab 2015 Automatic
Ford PX2 Supercab 2015 Automatic
- RossPat
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Too easy, will try & let you know how it goes.
2018 XLT PX2 in Winning Blue
- RossPat
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I haven't been anywhere but just turned it on, ambient temp is 9 and OBDLink says trans temp is 26.
2018 XLT PX2 in Winning Blue
- saeb
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What is you coolant temp in comparison to trans temp?
Stewart
Ford PX2 Supercab 2015 Automatic
Ford PX2 Supercab 2015 Automatic
- saeb
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That sounds better!!
Stewart
Ford PX2 Supercab 2015 Automatic
Ford PX2 Supercab 2015 Automatic
- RossPat
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It stayed at 98-100 under extra load today, but my fuel economy was crap.
Message to self.....RELEASE THE BLOODY CARAVAN HAND BRAKE BEFORE I DRIVE.
Message to self.....RELEASE THE BLOODY CARAVAN HAND BRAKE BEFORE I DRIVE.
2018 XLT PX2 in Winning Blue
- saeb
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Well done Ross, we live and learn.
Stewart
Ford PX2 Supercab 2015 Automatic
Ford PX2 Supercab 2015 Automatic