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hydrotinkerer
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« Reply #15 on: October 31, 2009, 01:06:25 pm » |
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Hey Lee, now I know for sure your in trouble. lol
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crb
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« Reply #16 on: November 01, 2009, 08:46:23 am » |
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Lee,
Don't remember for sure, maybe the HHOforum
crb
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Bob
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« Reply #17 on: November 01, 2009, 02:13:42 pm » |
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I think LTC Fisher posted that or one like it many moons ago consisted of a switch,resistor and a pot... that's it... very easy to make !
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All these schmatics are well and good but without instilation instructions they are of little use to most people... as like me they don't know a Oxygen sensor from a hole in the ground ! LOL
which wire to attach to and all that is a mystery in most cases.
the biggest factor I think is weather they work with a WIDE BAND or NARROW BAND O2 Sensor.... and what the difference is between them I have no idea !
care to put an explanation on that ?.... anyone ?
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All you guys have been here from the start...although Lee just found us I remember him from before this forum started!
So, I appreciate your being here, your input is needed INDEED ! thank you !
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Bob....
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"Mother always told me "Son the Imposable is only a little bit harder"...and You know ... She WAS RIGHT!"
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Lee Hazleton
Jr. Member
Posts: 58
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« Reply #18 on: November 01, 2009, 10:25:28 pm » |
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Bob,
This simple home made EFIE will only work on the narrow band sensors (which most vehicles have). These will have between one and four wires.
Attaching the wiring is simple. Just locate the signal wire (usually blue, black, or yellow). To be sure of the proper wire, warm the vehicle up, connect the (-) lead of a voltmeter to a good ground & the (+) to a pin. Push the pin into the wire with engine running. If you get between .002 and .008 volts, that's your signal wire! Follow it to an easily accessible location & cut the wire. (+) goes toward the ECU and the other toward the sensor.
I may be mistaken, but I believe the majority of 'wide band' sensors have 5 wires.
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hydrotinkerer
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« Reply #19 on: November 01, 2009, 10:33:22 pm » |
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Bob, The one I posted is for a map sensor. The o2 sensor "EFIE" is another adjuster all together. There is a general rule of thumb to tell the difference between narrow and wide band. Most narrow band have 1 to 4 wires going to it. Most wide band have between 4 to 6 wires going to it.
Narrow band only reads voltages of 0-1000mv. Ideally .45v is the ideal average. It uses 2 electrodes to provide voltage electrochemically. It compares oxygen in exhaust to the atmosphere. Some narrow band will use a piggyback voltage that makes it read like a wide band but its not. Mopar products do this with 2 or 2.5v piggyback. I can't remember how much it is without looking it up.
Wide band does more and allows engine control adjustments at a much faster rate. Wideband voltages are usually higher, like 1-5volts on the sensor signal.
Fuel savers has a wide band o2 sensor adjuster. I have used their narrow band and didn't have any problems. They will also tell you by your application which one you have. I don't know of anyone that made their own wideband adjuster.
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Bob
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« Reply #20 on: November 02, 2009, 12:36:01 am » |
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Ok THANKs Guys !
so sense My Toyota has 2 wires to its O2 sensor it is a Narrow band Sensor and I can use a simple unit like the above to adjust it... just warm up the truck and put a VTOM on it and check which wire has the voltage on it,and splice the unit into the wire and presto, "adjustable Feedback for the O2 Sensor" which allows you to counter act the computers "increasing the fuel supply" due to the more Oxygen in the exhaust when running HHO...
I think even I can handle that one !
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Bob....
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« Last Edit: November 02, 2009, 12:45:12 am by Bob »
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"Mother always told me "Son the Imposable is only a little bit harder"...and You know ... She WAS RIGHT!"
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Bob
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« Reply #21 on: November 02, 2009, 12:42:13 am » |
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Hydrotinkerer:
Ok...so whats the diff between a MAP sensor and the O2 sensor ...and why would you want to adjust the MAP?
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(Mass Air Flow Sensor ?) Sounds like a Electrical "Matt-Valve" to me one that leans out the entire range of the throttle position.(which is what you want)
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SO where would you hook that thing up to ?
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Bob...
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« Last Edit: November 02, 2009, 12:49:16 am by Bob »
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"Mother always told me "Son the Imposable is only a little bit harder"...and You know ... She WAS RIGHT!"
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hydrotinkerer
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« Reply #22 on: November 02, 2009, 08:40:09 am » |
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The map and o2 adjust fuel control. They both work hand in hand. Usually you can't adjust one without the other. O2 sensor read the oxygen content of the exhaust. Map sensor reads load on the engine using vacuum.
Your Toyota has what we call is an air flow meter. It is just a mechanical map/maf sensor is all. The airflow meter reads incoming air and computes the fuel mixture on a preset fuel curve. Kind of crude but they do work. You can't hook a map adjuster to your airflow meter.
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Lee Hazleton
Jr. Member
Posts: 58
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« Reply #23 on: November 02, 2009, 09:24:45 am » |
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Bob,
When I get home from work I'll let you know which wire is what. I've got a printout of the NTK cross-reference chart which shows everything.
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Bob
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« Reply #24 on: November 02, 2009, 09:54:12 am » |
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Ahh ! thanks again guys ! good info there !
I've known for years that almost every car out there has a different EFI unit and Scheme used in it.
(the major reason I flat quit working on any cars but my own!)
but Most people Don't realize that... and at the very least don't know what kind of setup their vehicle has.
this Makes it very difficult to advise people on how to Lean out their Fuel system !
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Thank you Hydrotinkierer! ...Very Much!
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Lee, thats not necessary as I wouldn't trust the color of the wire sense they change wire colors allot on Toyotas...I'll find it with the VTOM !(if and when I put one on the truck)
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this has given the reader a bit more information on the subject now and I thank you guys allot for that !... anyone should be able to see the problem and at least be steered in the right direction now.
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Thanks Guys !
Bob....
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"Mother always told me "Son the Imposable is only a little bit harder"...and You know ... She WAS RIGHT!"
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Lee Hazleton
Jr. Member
Posts: 58
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« Reply #25 on: November 02, 2009, 10:19:51 am » |
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One more thought: I don't know if it applies to the majority of vehicles or just Fords, but DON'T USE O2 EXTENDERS! Seem's I'd keep getting error codes and couldn't find the source. I'd try adjusting the MAF enhancer and EFIE, but no matter what I' get codes every 100 miles or so. Last week I removed the 2 extenders and 'wala'! Over 500 miles & I still get '0' when I hook up the scanner  |
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Bob
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« Reply #26 on: November 02, 2009, 04:09:48 pm » |
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thats Interesting!
I put a "Tent-pole-Condom" on my O2 sensor and stuck it back in its hole and bolted it down...I've yet to get any sort or error...in fact ... I think the only error I can get is the Check engine light!
( I love this Little truck its about as basic as you can get but does its job very well.)
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I wonder if my Mileage would improve if I took off the metal shield around the O2 sensor and ran a EFEI enhancer instead....
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the reason I put the "Tent-pole-Condom"over the o2 sensor was because when I put the Hydroxy generator in line my mileage didn't improve much...maybe 1 mpg at most... I put the covering on the O2 sensor and my mileage jumped way up, 4 to 8 mpg... so I've left it on there all this time... I even went through the smog check with it on ...LOL forgot all about that thing on there !
...Sense I Neutered my Truck in such a way I wonder if its defaulting to its rich state and not telling me about it?.... if so I still have no complaints because the "Matt valve" is allowing me to get 30~31mpg all the time... and that is about 8mpg better than average !...
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My Reasoning at the time was I don't care if it defaults to a STEADY STATE and stays there ! this automatic adjustment is causing all the bad Gas mileage.... so let it run rich and I'll lean that out .... which is what I believe I've done... I bet a Hydroxy unit on the truck would get me 45MPG now !
...I got 40 to as much as 45mpg with the "Randy cells" on the truck, but I couldn't keep the cells clean....and produceing at top proformance. (my screw up I am sure!)
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so I am reluctant to change anything on the truck because of its good mileage at the moment.
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Bob.....
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"Mother always told me "Son the Imposable is only a little bit harder"...and You know ... She WAS RIGHT!"
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Danlpha
Newbie
Posts: 1
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« Reply #27 on: May 05, 2010, 09:42:32 am » |
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Hello, I am interested in the poop mans duel EFIE that uses batteries, would you have the plans, thanks.
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Bob
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« Reply #28 on: May 05, 2010, 01:06:25 pm » |
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Hi Dan...
welcome to the forum.
I don't have a battery operated one...sorry.
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Bob.....
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"Mother always told me "Son the Imposable is only a little bit harder"...and You know ... She WAS RIGHT!"
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Lee Hazleton
Jr. Member
Posts: 58
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« Reply #29 on: May 06, 2010, 09:51:18 pm » |
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Dan,
I have the schematics for this somewhere. I thought they were on my hard drive, but I don't see them.
If I have it on my pc at work, I'll post it for you.
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