Any clues as to why i have so much noise on my waveform

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Columbus
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Joined: Wed Jun 13, 2012 4:03 pm

Any clues as to why i have so much noise on my waveform

Post by Columbus »

screen shot of lambda probing
screen shot of lambda probing
peugeot 206 1.4 lambda back probed at connector and earthed at the battery but the amount of noise is ridiculous tried a couple of different earths and different croc clips??
ta very much

arjen
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Location: Drachten, Holland

Re: Any clues as to why i have so much noise on my waveform

Post by arjen »

Use a filter to get a cleaner signal. Lambda signals can be very noisy.

Columbus
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Re: Any clues as to why i have so much noise on my waveform

Post by Columbus »

how do i do that?

arjen
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Location: Drachten, Holland

Re: Any clues as to why i have so much noise on my waveform

Post by arjen »

Click on the channel number above the waveform. There you can activate the filter.

Columbus
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Re: Any clues as to why i have so much noise on my waveform

Post by Columbus »

thanks :)

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Robski
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Re: Any clues as to why i have so much noise on my waveform

Post by Robski »

If all you're scoping is the O2 sensor then you can use it's own ground for a cleaner signal, I don't worry about much noise on an O2 & just add a filter.

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