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Tapping the OBDII Port to Improve Gas Mileage (w/video)
mpgomatic.com — You may have heard about the ScanGaugeII. This nifty little piece of technology lets you tap into your vehicle's on board diagnostic (OBDII) port to gain access to a wealth of real-time information. The end result is dramatically better gas mileage (once you get the hang of it) ...
allaboutdatiki- 41 diggs
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- tonaros, on 07/09/2008, -0/+2No need. My Lincoln Town Car has a readout showing me real-time and average mileage. Of course, I've maxed it out at 19.5 MPG.
- allaboutdatiki, on 07/09/2008, -0/+1Cool that your Town Car has the built-in readout, Tonaros. You just need to work harder to get the numbers higher ... it's all about the roll.
The Throttle Position Sensor (TPS) and Gallons Per Hour (GPH) data take things up a notch ... allowing you to see exactly how much pressure you're putting on the accelerator pedal and how much fuel is flowing.
- allaboutdatiki, on 07/09/2008, -0/+1Cool that your Town Car has the built-in readout, Tonaros. You just need to work harder to get the numbers higher ... it's all about the roll.
- r55741, on 07/09/2008, -2/+0that's a nice article but the device is such bull *****, it's just an estimate, for what it's worth you could just listen for your rpm,s and keep them as low as possible. the read out on the scanner? prob pretty inacurate.
IF you could use gps data and fuel injector data to find out exact MPG then that would do it.- allaboutdatiki, on 07/09/2008, -0/+2I always advocate checking the running averages against the actual fill up data.
It's pretty tough to do this by listening for the revs ... heck, there's already a tach in a great many cars (and for those that lack a tach, it's another reason why the ScanGauge *and devices like it* are valuable additions to the arsenal.)
That all having been said, it's the throttle position sensor (TPS) readout that makes it for me ... TPS isn't an estimate. - qber, on 07/10/2008, -0/+1An estimate is better than nothing. I've boosted my mileage from 35 to 42 mpg on average just from using the information the ScanGauge gives me and adjusting my driving habits accordingly. As for accuracy, the overall mileage for each tank is only off by 2 or 3 mpg when I check it against the fill-up numbers.
- allaboutdatiki, on 07/09/2008, -0/+2I always advocate checking the running averages against the actual fill up data.
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