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Old 01-09-2011, 09:49 AM   #1 (permalink)
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Scangauge or Engine Management for 2011 Honda Civic EX Auto?

Scangauge or Engine Management for 2011 Honda Civic EX Auto?

Looking at megasquirt, hondata flashpro or scangauge

This is an r18 engine I believe?

Anyone using a scangauge with a R18 engine civic auto transmission and what mpg improvements have they seen?

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Old 01-09-2011, 03:23 PM   #2 (permalink)
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A scangauge does not alter the "tune" in any way. It simply provides data to the end user to adjust driving style for maximum fuel economy.

And if you haven't had any previous experience with engine tuning, I highly suggest you use it on something other than a new 2011 model.
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Old 01-09-2011, 03:49 PM   #3 (permalink)
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Exactly. I wouldn't be cutting and splicing wires in a brand new car. Megasquirt, for all it's advantages, is nowhere near as good or as sophisticated as a new car's management system. It won't run most of the systems in the car (Automatic transmission, gauges, A/C, cruise control, ABS, traction control, etc.) and would create an epic mess that you would then have to engineer around. Plus, you will void your warranty and no longer be able to pass an emissions test. It's also crude and would likely result in lower MPGs than your factory computer as it lacks the ability to run a sequential fuel injection system. It can run in either batch fire or disynchronus batch fire (basically 2 injector banks) modes. If you have a 2 cylinder engine this is great. for a 4 cylinder, not so much. Save Megasquirt for older cars with engine swaps that need an easy solution for engine management. I would just get a Scangauge and use it to adjust your driving style. Plus, if you really wanted to use a car for eco driving, why did you go with an automatic transmission? You would have been better off with a CVT or a manual or a hybrid model. For that matter, the Insight would have been a better choice all together. Similar price, much better MPG.

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(Note: the car sees 100% city driving and is EPA rated at 37 mpg city)

Last edited by Jim-Bob; 01-09-2011 at 03:56 PM..
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2011, honda civic ex, hondata, scangauge

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