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  #1  
Old 19-05-2008, 11:02 AM
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Default Wide band AFR meter - good deal??

http://cgi.ebay.com.au/AEM-GAUGE-TYP...QQcmdZViewItem

Is this a good deal?
what did you guys pay for your wideband sensor kits?


im looking to do some self tuning and understand you need a wideband O2 sensor to sucessfully tune.

cheers, Steven.
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Old 19-05-2008, 11:32 AM
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if you want to be accurate, use a motec PLM.
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Old 19-05-2008, 12:23 PM
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try the states they are cheaper than that.............thats inclusive of postage..........
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Old 19-05-2008, 06:36 PM
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Stace, doesn't the PLM just use a bosch sensor? Why would it be any more accurate than any other controller that uses a bosch sensor, ADC resolution/accuracy aside? I also don't think the ADC resolution would have any effect considering the range of measurement.
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Old 20-05-2008, 07:32 AM
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the sensor has a proprietry calibration table against EGT, which is licensed by bosch only to certain manufacturers. (hence the 5 wire sensor).

means that the oxygen valure measured a 200 degrees, vs 900 degrees are way different.

a wideband voltage table is very narrow as it is (even compared to a narrow band table),

ive attached a shitty pencil drawing anyhow.
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wb.GIF  
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