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whitewiz 03-15-2009 10:28 PM

free OBD2 software with MPG calc
I have downloaded a few different OBD2 software but none of them include MPG calculation


I have tried:
VitalScan - came with my OBD2 to Bluetooth dongle no MPG
Digimoto Lite - /installs/lite/ free but no MPG
Vehicle Explorer Scan Tool Browser free but no MPG
JDash - no MPG on screenshots
OBD-Diag - no MPG
OBD2 Gala - no MPG
AvgInternals - no MPG
Mitsulogger 1.6b3 - no MPG The Aktive Matrix - Log in
OBD Scan Tech - Generic NoMPg The Aktive Matrix - Log in
AGV4000 Supertool - no mpg in screenshots AGV4000 Supertool
windmill - says it does mpg in excel...Interfacing a vehicle's OBDII system to a PC
evoscan $25us shows MPG on the MUTII screen not the OBDII screen EvoScan OBDII Mitsubishi MUTII DataLogger Scantool
OBD-II Scanmaster v. - free no mpg
ScanTool v1.13 - free no mpg
easyobd 2.2.0 - free no mpg in screenshots
obdlogger v1.1.0 - see wOBD
PcmScan - Free to TRY, script for MPG

jazzie604 03-15-2009 10:46 PM

Look up EvoScan or Mitsulogger. both were developed for mitsu guys to log with but have obdII generic available, and I think both are open source which means you can create almost any formula that you want. I think evoscan has a charge (he has spent a lot more time adding some pretty neat features for us evo guys). You can read up a lot on it at the ecuflash forum of

dcb 03-15-2009 10:58 PM

I was leaning towards jdash, because of cross platform java base, even had mobile phone plans (via superwaba). But it looks like it is going through a major rewrite currently. I would definately favor something java based though so anyone can use it (maybe python too)

mwebb 10-02-2009 12:14 AM

this is free , SpeedTracer graphing software.
it graphs more than fuel economy

but you need to buy AutoEnginuity software to get it .
AutoEnginuity is worth the price though , available as generic or there are enhanced packages for many makes , or Pro Line covers all the available makes and models that are covered .

enhanced versions of AutoEnginuity are way beyond the generic versions and way beyond most of the OBD2 software that is out there.
Mode 6 is well defined for most application and all mode 6 test results fit on one or two pages depending on the system

ATS Escan software will have fuel economy graphing in a later release
for now Escan does a real good job graphing
fuel trim , volumetric efficiency , coolant map , cat converter relative efficiency and Mode 5 and 6
unlike AutoEnginuity
ATS Escan software is OBD2 generic only

Rolfefox 07-11-2011 06:23 PM

Where is the download option for...
"free OBD2 software with MPG calc"

thanks rf

loulan 02-05-2012 09:40 PM


Originally Posted by dcb (Post 92798)
I was leaning towards jdash, because of cross platform java base, even had mobile phone plans (via superwaba). But it looks like it is going through a major rewrite currently.

yes, i think some obd2 software will be integrated in the mobile APP, like android OS, and android is based on java.

GRU 02-18-2012 12:31 PM

if i buy this cable from Ebay
OBD2 16Pin to DB9 Serial Port RS232 OBD 2 Cable Adapter Free Shipment | eBay

Can i hook up my laptop to my 2003 Escape and get MPG with some software?

stargazerf3a 07-27-2012 11:04 AM

Hey guys , any news on this thread?
I had touchscan installed to my carputer (although i don't think it was very accurate cause no maf on my car) it was very helpfull but it expired so are there
any free mpg (metric please :D ) software out there?

Uncle Dave 09-23-2012 11:52 PM

What does the MPG / Inst MPG doing on my Dash? That has to get its' info from the OBD system. The trouble I see with this, in by Cobalt is that it Pegs out a 99 MPG.

How about the Scan-gauge?

Then the old but trusty Vacuum gauge?

Do you really really need it? At what cost? When the need gets big enough, and the market is big enough, it will be made.

Dave1987 12-10-2014 02:41 AM

Hey, you can get a cheap bluetooth elm327 (8-10$)scanner and download free Torque software. Go to the main menu and choose "MPG Trim" to replicate closer to the truth.

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