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Old 05-20-2012, 08:25 PM   #1 (permalink)
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Question fuel smart module

Seen this product on Gears on speed channel. fuel smart corp claim better fuel milage by deactivating cylinders. It monitors brake and TPS and shuts off some injectors. Its $300. Would be cool if it works. Any one want to try it lol

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Old 05-20-2012, 09:27 PM   #2 (permalink)
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Old 05-20-2012, 11:46 PM   #3 (permalink)
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88nova -

Looks like aggressive DFCO (Deceleration Fuel Cut-Off) :

When the microprocessor senses that you no longer want to accelerate, it only allows a certain number of fuel injectors to work and thus saves you fuel. The number of fuel injectors that are deactivated is based upon the rate of deceleration, engine rpm, unit settings, etc. This number is constantly changing to save you the maximum amount of fuel without turning on any check engine lights or causing the engine to excessively run rough.
I am guessing that if you had an older fuel injected car then it would help, but a new car would probably be doing a lot of this for you.

PS - On the site I found a 2004 EPA PDF on mild hydraulic hybrids (Old Mech!) :



What's your EPA MPG? Go Here and find out!
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Old 05-26-2012, 10:59 PM   #4 (permalink)
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Originally Posted by t vago View Post
I agree 200%. I'm not willing to test ANY alleged fuel saving device with only a 30 day money-back guarantee. That's not enough time to do proper A-B-A testing.

Fuel economy is nice, but sometimes I just gotta put the spurs to my pony!

Originally Posted by thatguitarguy View Post
Just 'cuz you can't do it, don't mean it can't be done...
Originally Posted by elhigh View Post
The presence of traffic is the single most complicating factor of hypermiling. I know what I'm going to do, it's contending with whatever the hell all these other people are going to do that makes things hard.

Last edited by Mustang Dave; 05-26-2012 at 11:12 PM..
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