Scan Gauge II - first impressions
Hi everyone. I would like to share my first impressions upon receiving my Scan Gauge. The test car was a 2001 Honda Civic.
First, two minor issues I had:
Now, concerning FE-oriented driving. I am currently monitoring: instantaneous FE, consumption per hour, engine load and throttle position. I found it a bit shocking that throttle position and specially engine load seem to have a much bigger influence on FE than engine RPM. I'm having trouble climbing hills, for no matter what I do, engine load increases and my FE starts sinking like Titanic. Should I use a lower gear? I tried it but it didn't seem to help much. I live in a very mountainous region, so I think efficient hill climbing will be the key to improving my numbers. Any comments appreciated. :) :thumbup: |
I noticed my odometer moved faster too.... But I verified my SG against a GPS over a 3,000+ miles trip. The SG was nearly dead on - we only saw a measurable deviance after 1500 miles ;) My speedometer is also faster - but the SG was dead on to the accuracy we could measure. At 65mph, the GPS said 65.05 and my speedometer said 70.
For the cutoff - mine def. recognizes it, but there's an infinity barrier I think (I don't think the SG can handle division by zero very well). I can never get mine below .3gal/hour - even with the ignition on, engine off :p But I can def. see that it's doing something while engine braking over ~1500 rpm or so :) Quote:
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Not recognizing fuel cutoff:
Ya gotta set the "vehicle type" to hybrid. That way even if coasting with engine off, it will correctly track distance and compute vs. zero fuel consumption when that's the case. For a reference, see CleanMPG's review of the SGII. https://www.cleanmpg.com/forums/showthread.php?t=4495 It's in the third set of numbered items under "Installation and Setup", #2 of 4. OK, OK, it's another FE site. It's a good article, imho. |
You can certainly calibrate the odometer. It is part of the setup. I am pretty wasteful. I just bought my second scanguage.
I have had the calibration make a wide swing from summer to winter. It might relate to the position of my intake air temp sender. |
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I think it would work out that at 100 kph on a 10% grade every 60 pounds or 27 KG requires another horsepower, which with inefficiencies, might mean several... ;-) |
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When climbing hills use whatever gear gets you the best highest MPG and it probably will be the highest gear with the lowest RPM just because of gearing and engine losses but you have to balance that with engine cooling and lubrication/wear for the long term should you lug the engine for extended periods. There is a speed calibration when set properly will give you correct distance traveled in the Scangauge - more likely your speedometer and odometer are both off and the speedometer typically will read higher that actual for speeding reasons by design - if it was reading low you might get stopped for speeding more.
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Thanks for the tips everyone. I didn't know one could calibrate the odometer on the SG. I'll dig through the menus to try and find it. :)
As for the hills, most are miles long and around 7-8% steep. I already speed up a little on the preceding downhill sections and DWL on my way up. I use the highest gear that will not lug the engine but was wondering if it would be better to use a lower gear, trading RPM for a smaller throttle opening. I guess there are no magic tricks, just hard work as always. :) |
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