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#43:
04-24-2012, 09:23 AM
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Title: 5EAT Performance Vendor
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Location: Dallas, TX
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Car: 05 LGT 5EAT
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Posts: 6,462
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iTrader: (68)
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Quote:
Originally Posted by WRteXan
Without calling them, their website says 10:1 to 20:1. So assuming 10:1 is 0V and 20:1 is 5V, then the formula is AFR = (2)*(TGV Voltage)+(10). If you need an excel formula, and we assume that TGV 1 data is in Column A starting in Row 2, then it is "=2*a2+10". You really need to call them to find out what the corresponding values are though.
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Yeah that's not how it works, it's something specific, and he needs to ask like you said.
Example: For AEM UEGO...
Quote:
The analog output from the AEM Analog Wideband Air/Fuel Ratio gauge is a linear dc
voltage signal that varies from 0.5 Vdc at 8.5:1 AFR to 4.5Vdc at 18.0:1 AFR over the
operating range of the gauge.
AFR = 2.375(V) + 7.3125
For example, if the output is 2.0 Vdc, the AFR is 12.06:1
2.375 * 2.0 + 7.3125 = 12.06
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