Free Wheeling: Pros and Cons

[weewee]

Dahil sa DFCO ay malamang hindi na ko mag free wheel. Mas safe pa rin talaga pag in gear ka.


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[oj88]

The video I made 6 years ago demonstrating how keeping it in gear while coasting will result in better fuel economy.

8th Gen Civic FD Fuel Injection Shut-off - YouTube

[Jiggs]

yes sir that proves that the program in the Computer box really works. There's an interlock though..the TPS should be in good condition and the RPM should not be less than 1300rpm. So as long as the TPS indicates in 14 or close/idle and the rpm is above 1300 then the power to the Fuel injectors are cut off thus it saves fuels. I think it applies to all Honda EFI engine above 2000 model..not sure the exact years..but read it in the manual.

[weewee]

I tried this earlier sa MT Accent ko. Pag free wheeling ako, lumalabas 3.2L/100kms ako (70-80kph).

Nung di ko disengage ang gear, 0.0L/100kms ang reading (min of 30kph)

It works talaga kaya di na ko mag free wheeling. May control pa ako


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[niky]

I tried this earlier sa MT Accent ko. Pag free wheeling ako, lumalabas 3.2L/100kms ako (70-80kph).

Nung di ko disengage ang gear, 0.0L/100kms ang reading (min of 30kph)

It works talaga kaya di na ko mag free wheeling. May control pa ako


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That's not the way you check. You do an entire drive cycle (start, accelerate, slow down, u-turn, start, accelerate, slow down, u-turn, return to starting point) and check the fuel economy at the end of it. Not the instant economy.

[oj88]

That's not the way you check. You do an entire drive cycle (start, accelerate, slow down, u-turn, start, accelerate, slow down, u-turn, return to starting point) and check the fuel economy at the end of it. Not the instant economy.

Am a little confused on this one. The total FE will be based on the instantaneous FE, right? So it stands to reason that when you get an a LOT of 0.00L/100Km (or 0.00L/Hr or 999Km/L) instantaneous readings, that will count towards a better final FE computation, is it not?

[weewee]

That's not the way you check. You do an entire drive cycle (start, accelerate, slow down, u-turn, start, accelerate, slow down, u-turn, return to starting point) and check the fuel economy at the end of it. Not the instant economy.

Am just comparing free wheeling vs engaged gear.



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[Manilablock]

dapat siguro ganito ang comparison.

free wheeling and apply brakes to reduce speed or engine brake.

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