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Old 11-07-2019, 04:57 PM   #1 (permalink)
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Thottle Contoller

I've looked at throttle controllers before and just recently got started thinking about them again. Most if not all have an economy setting. Has anyone tried one? Did it help fuel efficiency? There are some available on eBay for about $70 which isn't a problem if they work. I really don't want to put that much into something that's not going to give any benefit. If it were $10 sure I'd buy one if it didn't do any good I'd chalk it up to a learning experience but being disabled and living on disability it's hard to justify a $70. experiment. I'm happy with the throttle response in normal driving and I'm no teenager anymore so I don't want or care about the sports modes.

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Old 11-07-2019, 06:23 PM   #2 (permalink)
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https://www.oshkoshequipment.com/com...-New%20(4).jpg

One of these? All cars had them up until the 1940s. After that you had to use a broomstick.
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Old 11-07-2019, 09:51 PM   #3 (permalink)
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Quote:
Originally Posted by freebeard View Post

https://www.oshkoshequipment.com/com...-New%20(4).jpg

One of these? All cars had them up until the 1940s. After that you had to use a broomstick.

What I'm talking about is a device that alters the voltage going from the gas pedal to the ECU which opens the throttle body butterfly on drive by wire. The more voltage added to the system the quicker the throttle body butterfly reacts to the pedal input. Lower voltage slows the response time and is supposed to increase efficiency.

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Old 11-07-2019, 10:02 PM   #4 (permalink)
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I was trolling to get more information. It sounds like https://ecomodder.com/forum/instrumentation.html might be a good place.

I know I've seen people splicing a potentiometer into their wiring to spoof signals, but I don't remember the specifics, ...maybe forcing lean burn?
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Old 11-08-2019, 01:53 AM   #5 (permalink)
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Quote:

I know I've seen people splicing a potentiometer into their wiring to spoof signals, but I don't remember the specifics, ...maybe forcing lean burn?
I know the HHO crowd uses a pot to spoof the upstream 02 sensor signal supposedly to keep the 02 sensor from recognizing the extra oxygen in the mix and start dumping in extra fuel.

The throttle controller looks like it would be just thing if you were looking to unleash some extra power. I guess it's a good thing cars weren't drive by wire and these things available when I was a teenager.
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Old 11-08-2019, 06:59 AM   #6 (permalink)
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Quote:
The more voltage added to the system the quicker the throttle body butterfly reacts to the pedal input. Lower voltage slows the response time and is supposed to increase efficiency.
It doesn't really add functionality, you can just push the pedal differently if you want to open the throttle differently.
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Old 11-08-2019, 10:22 AM   #7 (permalink)
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Some are electric motors, so obviously if you reduce voltage it will spin slower. Current goes up as a result, maybe frying the motor controller.

Ditto for the coil actuators. Just stick resistance in series.

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