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| Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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07-11-2012, 06:56 AM
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#1 |
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Senior Member
Join Date: Jul 2012
Drives: Black 2013 FRS
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Stock O2 Sensor
So last night I had my ebay BT OBDII reader hooked up to my android phone using torque and I noticed something. There are two different O2 sensor readings there: One is AFR requested (or something to that effect) and AFR Measured. The measured value behaves just like a wideband sensor. The AFR doesn't oscillate like a narrowband setup either. I saw it go as high as 20:1 and during normal cruising is would stay very close to 14.7 to 14.9 with small variations.
If I am correct, and the car is equipped with a factory wideband that would be fantastic! No need to buy / install external wideband for tuning purposes. Just log the factory sensor! I'll make a graph later today to show you what I mean if necessary. |
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07-11-2012, 07:16 AM
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#2 | |
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Grip>Slip
Join Date: Jun 2012
Drives: 13 SWP BRZ Ltd - Innovate Powered!
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