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Thread: An interesting point of view on O2 sensor manipulation

  1. #11
    singnpreacher Guest
    OK. Thanks! But if I unhook the hot lead to my battery, and the code is reset, will the check engine light come on again?

  2. #12
    singnpreacher Guest

    so far, so good

    Well, I managed to remove one O2 sensor extender from each sensor (keeping the power lead unhooked from the battery to reset the code).

    When I got it all back together, no more engine light!

    Driving to the gas station, I tried using the wipers, and they wouldn't work. I had hooked into the power for the wiper motor to power my HHO generators, and had blown the puny 5 amp fuse! The generators haven't even been running!

    Now I've hooked into the 20 amp fuse for the fuel injector, and replaced the wiper motor fuse. All's running now. I'll post my gas mileage after my trip this weekend, but I'm afraid I don't know the pre-HHO mpg, as we've only had the van for a little while, and I haven't taken the time to check.

  3. #13
    Jaxom Guest
    You shouldn't use the fuel injector fuse to power your generator. In fact, I wouldn't recommend using ANY factory circuit as the power supply for an HHO system. The generator just pulls too much power and the factory circuits are specifically designed to handle the factory parts and no more. Get a seperate fuse holder and a relay from the parts store and use an independent circuit if you want safety and reliability.

  4. #14
    singnpreacher Guest
    Thanks for the advice! I decided to go ahead and run it straight from the battery to a toggle switch just under my dash. I've got 3 inline fuses at this point, but I'll likely rewire to where I just have one.

    I can now choose whether or not I want the HHO generators to run. My wife and I just have to remember to flip the switch to off when we turn off the engine, or to turn the MAF enhancer all the way counterclockwise so the van will run on just gasoline if we're not going to run the generators.

  5. #15
    scrode Guest
    or to turn the MAF enhancer all the way counterclockwise so the van will run on just gasoline if we're not going to run the generators.

    just curious, does turning the maf sensor enhancer all the way, turn it off, or take it to the super rich state? I just work with a map sensor enhancer which is, I know, different.

  6. #16
    scrode Guest
    Quote Originally Posted by Jaxom View Post
    You shouldn't use the fuel injector fuse to power your generator.
    I did that and blew a fuse on freeway, DOH. to say the least, I had to walk a mile for a camel. hehe. put it on the unfused side and put a 25 amp fuse inline to generator. haven't a problem since.

  7. #17
    singnpreacher Guest
    Quote Originally Posted by scrode View Post
    just curious, does turning the maf sensor enhancer all the way, turn it off, or take it to the super rich state? I just work with a map sensor enhancer which is, I know, different.
    It turns it to "rich mixture." That's what it says on the sticker on the far counterclockwise position. I don't think it's really turning it "off."

  8. #18
    Westcoastrocks Guest
    Quote Originally Posted by Jaxom View Post
    You shouldn't use the fuel injector fuse to power your generator. In fact, I wouldn't recommend using ANY factory circuit as the power supply for an HHO system. The generator just pulls too much power and the factory circuits are specifically designed to handle the factory parts and no more. Get a seperate fuse holder and a relay from the parts store and use an independent circuit if you want safety and reliability.
    Yeah just get a 30 amp relay circuit.

  9. #19
    Cadillac Guest
    Quote Originally Posted by Jaxom View Post
    In fact, I wouldn't recommend using ANY factory circuit as the power supply for an HHO system. The generator just pulls too much power and the factory circuits are specifically designed to handle the factory parts and no more.
    I would add that in car wiring at least, wires are designed to melt at certain temperatures. Using stock wiring to supply power to something that is more powerful will melt the wire used and a lot of times all the surrounding wiring. This happens to a lot of people who install powerful aftermarket stereos without knowing the consquences. Then they can't figure out why the stereo and tailights (or other) quite working at the same time. Then it just gets expensive.

  10. #20
    boogeyman Guest
    Quote Originally Posted by singnpreacher View Post
    Thanks for the reply! I never had to remove my MAF sensor, BUT, I got a MAF sensor enhancer with the HHO kit I bought on eBay. I'm pretty sure I have that installed correctly, though.

    So, do you think I ought to try just having one O2 sensor extender on each sensor?

    Thanks!
    Try disconnecting the battery for a few minutes. This should clear the CEL.

    Drive the car for a while afterwards and see if the light comes back on.

    If it does, remove the O2 extender and do it all again. If it doesn't come back on, your problem is with the Oxygen Sensor extender.

    You may want to consider using an EFIE instead.

    I hope this helps.

    Please let me know how you make out.

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