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AF Monitor Jet Performance
I am looking for a AF monitor system and I ran across this one from Jet Performance Products. Pros Cons?
The new JET Air/Fuel Monitor is designed for the driver who wants to monitor engine efficiency and fuel mileage. The unit features a backlit LCD screen and 8 different monitoring screens to choose from including air/fuel ratio and 02 voltage. The Air/Fuel Monitor connects directly into the stock O2 sensor. 
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1981 911SC 1988 930 |
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09-18-2009, 04:51 AM
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Join Date: Jun 2001
Location: Sweden
Posts: 5,910
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Stock O2 sensor is narrow-band and only good for detecting passage trough stochiometric ratio. Numbers above or bellow 14.7 taken from narrow-band are made-up figures that have nothing to do with reality. 12.5 might as well be 14.2 depending on EGT.
As AFR monitor, everything connected to narrow band is more or less useless. You must have WBO2 unit to display actual range.
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Thank you for your time, |
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09-18-2009, 06:56 AM
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