07 is250 really really bad gas mileage.
02-15-23, 10:18 AM
#16
Sounds like you have an OBD dongle of some kind.
Download OBD Fusion, install it and add your car. Sift through the menu for Lexus Toyota PID module and install it ($10). This will give you the Knock Value Correction (may have different terminology.
You also get power steering data, Body system sensor status, transmission info.... for $15 total its good investment.
Download OBD Fusion, install it and add your car. Sift through the menu for Lexus Toyota PID module and install it ($10). This will give you the Knock Value Correction (may have different terminology.
You also get power steering data, Body system sensor status, transmission info.... for $15 total its good investment.
02-15-23, 11:10 AM
#17
Pit Crew
Thread Starter
Sounds like you have an OBD dongle of some kind.
Download OBD Fusion, install it and add your car. Sift through the menu for Lexus Toyota PID module and install it ($10). This will give you the Knock Value Correction (may have different terminology.
You also get power steering data, Body system sensor status, transmission info.... for $15 total its good investment.
Download OBD Fusion, install it and add your car. Sift through the menu for Lexus Toyota PID module and install it ($10). This will give you the Knock Value Correction (may have different terminology.
You also get power steering data, Body system sensor status, transmission info.... for $15 total its good investment.
Last edited by Alternet; 02-15-23 at 12:23 PM.
02-15-23, 03:30 PM
#18
Pit Crew
Thread Starter
Sounds like you have an OBD dongle of some kind.
Download OBD Fusion, install it and add your car. Sift through the menu for Lexus Toyota PID module and install it ($10). This will give you the Knock Value Correction (may have different terminology.
You also get power steering data, Body system sensor status, transmission info.... for $15 total its good investment.
Download OBD Fusion, install it and add your car. Sift through the menu for Lexus Toyota PID module and install it ($10). This will give you the Knock Value Correction (may have different terminology.
You also get power steering data, Body system sensor status, transmission info.... for $15 total its good investment.
The Knock Feedback Value is -3 at all times
02-15-23, 06:41 PM
#19
Fuel, Ignition timing, and general engine performance. I honestly didn't expect that.
The only concern unanswered with engine performance is how much actual ethanol is in the fuel? As the ethanol concentration goes up, efficiency goes down.
Are you always getting fuel from the same place, can you get fuel from another place?
If the fuel is actually 10% and you're using approved octane levels (91 - 93) USA, I think we need to look elsewhere.
Tell us everything you know about the fuel/petrol over there.
02-15-23, 07:21 PM
#20
Pit Crew
Thread Starter
Damn, that weeds out a lot of issues right there!
Fuel, Ignition timing, and general engine performance. I honestly didn't expect that.
The only concern unanswered with engine performance is how much actual ethanol is in the fuel? As the ethanol concentration goes up, efficiency goes down.
Are you always getting fuel from the same place, can you get fuel from another place?
If the fuel is actually 10% and you're using approved octane levels (91 - 93) USA, I think we need to look elsewhere.
Tell us everything you know about the fuel/petrol over there.
Fuel, Ignition timing, and general engine performance. I honestly didn't expect that.
The only concern unanswered with engine performance is how much actual ethanol is in the fuel? As the ethanol concentration goes up, efficiency goes down.
Are you always getting fuel from the same place, can you get fuel from another place?
If the fuel is actually 10% and you're using approved octane levels (91 - 93) USA, I think we need to look elsewhere.
Tell us everything you know about the fuel/petrol over there.
As far as getting 91 octane from another place. I can... But due to the carbon build up issues I figured shell was the only place to go because they claim to have stuff that helps clean (or keep clean) carbon built up.
Last edited by Alternet; 02-15-23 at 07:24 PM.
02-16-23, 01:44 PM
#21
I run shell 91 octane but in my province all gas has to contain 10% ethanol sadly. That is the highest octane my city has anymore.
As far as getting 91 octane from another place. I can... But due to the carbon build up issues I figured shell was the only place to go because they claim to have stuff that helps clean (or keep clean) carbon built up.
As far as getting 91 octane from another place. I can... But due to the carbon build up issues I figured shell was the only place to go because they claim to have stuff that helps clean (or keep clean) carbon built up.
Pic for reference of catch can I'm using.
You do have to make a bracket. Best location is coming from the bolt of the coolant reservoir tank. Edit get "FUEL" rated hoses to run instead. Do not use the ones that come with the kit.
Last edited by MikeFig82; 02-16-23 at 03:31 PM.
02-17-23, 06:21 PM
#22
Pit Crew
Thread Starter
So a bit of an update...
Something just didnt sit right with me about the trim data I posted previously. It was a warm day and I had been driving around for awhile and my engine was finally at temp.
I say finally because I'm not sure if I need a new thermostat or not but even today at -5 my car didnt get to full temp on the 15-20 mins drive home from work. I have never had a car that takes so long to get to temp (and I have had mostly 4 cylinder cars other then one)
So I checked the numbers again on my drive home at -5C (23f) outside...
At idle (at a red light):
Short term bank 1: -19.5%
Short term back 2: -10.9%
Long term bank 1: -21.1
Long term bank 2: -29.7%
A/F: 14.66
Engine coolant: 71C (160f)
Driving at steady 60km/h (37mph):
Short term bank 1: -5.5%
Short term back 2: -5.5%
Long term bank 1: -14.1%
Long term bank 2: -10.9%
A/F: 14.61
Engine coolant: 67C (160f)
But I have another steady state driving data point 50 km/h (31mph)
Short term bank 1: -9.4%
Short term back 2: -7.0%
Long term bank 1: -5.5%
Long term bank 2: -5.5%
A/F: 14.57
Engine coolant: 50C (122f).
These are all on the same drive. Obviously the colder engine coolant temps was earlier in the drive.
I'm not sure if this data points to anything but it is different the the original data points it posted.
Something just didnt sit right with me about the trim data I posted previously. It was a warm day and I had been driving around for awhile and my engine was finally at temp.
I say finally because I'm not sure if I need a new thermostat or not but even today at -5 my car didnt get to full temp on the 15-20 mins drive home from work. I have never had a car that takes so long to get to temp (and I have had mostly 4 cylinder cars other then one)
So I checked the numbers again on my drive home at -5C (23f) outside...
At idle (at a red light):
Short term bank 1: -19.5%
Short term back 2: -10.9%
Long term bank 1: -21.1
Long term bank 2: -29.7%
A/F: 14.66
Engine coolant: 71C (160f)
Driving at steady 60km/h (37mph):
Short term bank 1: -5.5%
Short term back 2: -5.5%
Long term bank 1: -14.1%
Long term bank 2: -10.9%
A/F: 14.61
Engine coolant: 67C (160f)
But I have another steady state driving data point 50 km/h (31mph)
Short term bank 1: -9.4%
Short term back 2: -7.0%
Long term bank 1: -5.5%
Long term bank 2: -5.5%
A/F: 14.57
Engine coolant: 50C (122f).
These are all on the same drive. Obviously the colder engine coolant temps was earlier in the drive.
I'm not sure if this data points to anything but it is different the the original data points it posted.
02-17-23, 06:41 PM
#23
Intermediate
I get 8,5L/100 KM in my base manual 2011 IS250. Keep in mind that's 90% highway at the optimum speed of 100-120km/h.
Above 120 km/h and the mileage goes to 9-10L/100 km.
AWD gonna be different since weight of driveshaft + optioned cars with leather, 8-way power seat and sunroof all gonna add slightly more weight.
Above 120 km/h and the mileage goes to 9-10L/100 km.
AWD gonna be different since weight of driveshaft + optioned cars with leather, 8-way power seat and sunroof all gonna add slightly more weight.
02-17-23, 07:06 PM
#24
Pit Crew
Thread Starter
I get 8,5L/100 KM in my base manual 2011 IS250. Keep in mind that's 90% highway at the optimum speed of 100-120km/h.
Above 120 km/h and the mileage goes to 9-10L/100 km.
AWD gonna be different since weight of driveshaft + optioned cars with leather, 8-way power seat and sunroof all gonna add slightly more weight.
Above 120 km/h and the mileage goes to 9-10L/100 km.
AWD gonna be different since weight of driveshaft + optioned cars with leather, 8-way power seat and sunroof all gonna add slightly more weight.
But right now I'm at like 18.5+L/100km's so there is an issue.
02-17-23, 07:11 PM
#25
Intermediate
I had same horrible mileage as you on my 1992 Toyota Corolla. Wish we'd known about EVAP cannister after the fuel lines were done.
Anyway, there's ALWAYS an answer...keep plugging away!
Anyway, there's ALWAYS an answer...keep plugging away!
02-17-23, 07:25 PM
#26
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