does anyone have any extra 4.7 zener diode? - Ford Powerstroke Diesel Forum
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Old 02-02-2012, 11:22 AM
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does anyone have any extra 4.7 zener diode?

Like the title says, I'm trying to get my hands on one of these 4.7v 1w Zener diodes and I have had no luck at any electronic stores, can anyone hook me up?
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Old 02-02-2012, 11:32 AM
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I found this..

1/2W DC 4.7V Voltage Regulator Tubes Axial Zener Diodes | eBay
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Old 02-02-2012, 02:36 PM
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Can't help you find one, but I am curious.. What are they and what are they used for?
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Old 02-02-2012, 02:40 PM
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They are used as an electrical boost fooler if you are getting overboost codes, they only cost like 20 cents but are hard to find. I am looking for a 1 watt one
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Old 02-02-2012, 02:40 PM
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4.7V Zener Diode Boost Fooler
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Old 02-02-2012, 02:43 PM
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Its a lot of ten...

10PCS Zener diode 1 Watt 1N4732 4.7 volt 1 Milliampere | eBay
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Old 02-02-2012, 02:47 PM
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Quote:
Originally Posted by rjm0027 View Post
They are used as an electrical boost fooler if you are getting overboost codes, they only cost like 20 cents but are hard to find. I am looking for a 1 watt one
Thanks, but I'm a noob so what is an overboost code? I'm still learning! Thanks for your patience !
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Old 02-02-2012, 02:52 PM
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you have a map sensor which reads how much boost you are making and if you make a higher psi boost over what you are supposed to according to your pcm then the pcm will defuel the injectors, if you tap in the diode it will fool the map sensor into thinking you are running at normal boost levels and will never defuel
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Old 02-02-2012, 02:59 PM
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If someone can confirm them are the right ones I posted in the last link I will get them and Mail 8 of them out to whoever wants them. You guys being first of course!
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Old 02-02-2012, 03:03 PM
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they are the right ones
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