Wideband and resistance

  • Maxbou92
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Wideband and resistance

21 Dec 2025 08:07
#919957
Hello everyone, simple question for you all !! I have stock Coil and Ton’s wire 0ohm with 1kw NGK cap and B8es plugs .. Do my AEM  AFR gauge gonna give me trouble if I dont have at least 5kw resistance? False reading? 
thank you and Merry Christmas 🌲🙂
Kz750e 1980

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  • Wookie58
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Re: Wideband and resistance

21 Dec 2025 09:44
#919958
Hello everyone, simple question for you all !! I have stock Coil and Ton’s wire 0ohm with 1kw NGK cap and B8es plugs .. Do my AEM  AFR gauge gonna give me trouble if I dont have at least 5kw resistance? False reading? 
thank you and Merry Christmas 🌲🙂
You should ok, just try and ensure your wiring is as far as possible away from the HT leads/plug caps. AFR should be fine anyway as it's simply a sensitive voltmeter (the lambda sensor generates a small voltage between 0v and approx 1.5v dependent on the AFR ration) weak is a low voltage and rich a higher voltage. Any interference will show as a "flicker" rather than a false reading

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Re: Wideband and resistance

21 Dec 2025 09:47
#919959
Ok!! So it can « flicker » and show different numbers at the same time?
Kz750e 1980

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Re: Wideband and resistance

21 Dec 2025 10:09
#919960
Ok!! So it can « flicker » and show different numbers at the same time?
I suspect the speedo and tacho may read correctly but flicker, the rest should not be effected
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Re: Wideband and resistance

21 Dec 2025 21:02
#919969
Is it worth it to have resistance « removal » ?
Kz750e 1980

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Re: Wideband and resistance

21 Dec 2025 22:47
#919970
What are you referring to with AEM - ? the resistance is there primarily for reduction of radio interference

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Re: Wideband and resistance

21 Dec 2025 23:40
#919971
Aem wideband!! My spark is supposed to be « better » with 1000ohms and no resistor wires? I had resistor wires and 5000ohm cap before!!
Kz750e 1980

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Re: Wideband and resistance

22 Dec 2025 00:48
#919973
Aem wideband!! My spark is supposed to be « better » with 1000ohms and no resistor wires? I had resistor wires and 5000ohm cap before!!
Got it (I didn't recognise the acronym) you should be fine with the 1Kohms caps
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