DIY EFIE for less than $5. - Page 9 - Fuelly Forums
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Old 09-20-2008, 08:22 PM   #81
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where is the diagram??

Where is the diagram of this $5 EFIE?

What is your Final Authority?
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Old 09-21-2008, 05:34 AM   #82
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The original posts containing the supposed diagram were deleted a long time ago. They were probably spam.

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Old 09-21-2008, 12:52 PM   #83
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Originally Posted by Freedom_man View Post
The reason you car dumps in loads of fuel while cold on start up it because the fuel does not atomize well while cold so it adds more so it can get the vapors which is the only thing that burns in the cylinder anyways.

If you lean it out while cold you may not get enough vaporization to start the car well. If you want to start out lean then you might try heating the intake manifold with something like a hair dryer, block heater, heat gun, etc.

Most FI cars I have seen have a therm sensor as part of the fuel injection control. Once the coolant warms up the car starts leaning out. Some cars like the late 80's early 90's 626 and ford probes had problems if you got an air bubble stuck at the heat sensor. I've had that problem.
Early attempts at ethanol powered/converted vehicles sprayed the fuel onto a heated mesh to aid cold starting. This is mostly becuase alcohol is slightly less volatile then gasoline, but it can be applied to atomise any fuel better, under any condition! I wonder if diesel glow plugs could be modified slightly? or just stuck deep in the intake manifold, but not quite protruding into it?
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Old 11-16-2008, 09:15 AM   #84
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There is one thing you have to take into consideration. When you add HHO to the A/F mix, it causes a very fast burn with no flamewall. Very little if ANY is still burning when the exhaust valve opens, so you have more efficiency from the burn.
Fact is, you could probably run regular and not experience any knock problems in an engine that would otherwise complain if it isn't drinking premium gas with a good HHO generator installed.
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Old 08-19-2010, 04:52 AM   #85
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Smile Re: DIY EFIE for less than $5.

Originally Posted by beatr911 View Post
Thanks for the design! Sounds plausible though I do not understand the ground voltage idea, (I'm electronics challenged).

When the EFIE was designed, probably most of the O2 sensors were single wire. For newer vehicles this design makes much more sense.

Thanks again! You just saved me $60, I was just about to buy another EFIE for our '02 Honda.
DEAR Beater:
Could you share your DIY EFIE design? I'm about to start building my Hidroxide Cell for my Ranger and need to manipulate the O sensor. Thanks a lot!
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Old 08-19-2010, 12:46 PM   #86
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Re: DIY EFIE for less than $5.

The OP has deleted the original diagrams, and has not logged back in for nearly 3 years. Chances are he no longer wants to share this information. For this reason, this thread is now closed.


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