Looking for o2 simulator patch
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Evolving Member
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Joined: Feb 2008
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From: Bloomingdale, IL
Looking for o2 simulator patch
I've been having trouble finding the latest and great rear o2 simulator code to use for my 94170715 ROM. I need the heater patch as well. Can someone point me to the right code?
Thanks!!!
Thanks!!!
Evolving Member
Joined: Jul 2010
Posts: 133
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From: Overland Park, KS
Code:
<table name="Rear O2 Heater Patch" category="Rear O2 Heater Disable" address="2c48e" type="2D" level="2" scaling="Hex16">
<table type="Static Y Axis" elements="1">
<data>Disable rear o2 heater by changing 0x4A0B to 0x0009:</data>
</table>
</table>
<table name="Heater CEL" category="Rear O2 Heater Disable" address="2c482" type="2D" level="2" scaling="Blobbits">
<table name="Bit values" type="Static Y Axis" flipy="true" elements="8">
<data>N/A</data>
<data>N/A</data>
<data>N/A</data>
<data>N/A</data>
<data>Rear O2 Heater CEL Enable</data>
<data>N/A</data>
<data>N/A</data>
<data>N/A</data>
</table>
</table>
Thread Starter
Evolving Member
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From: Bloomingdale, IL
Looks like I'm a dummy and it's build in to v7 of tephramod. D'oh! However, I am curious to see if you guys run the o2 sim and disable the rear o2 bit in the periphery table? Or do you keep it enabled and have fuel trims?
I personally keep (FAA) Bit 1 (Rear O2) enabled with a 1 in the cell and disable (FEA) Bit 15 (P0140 Rear O2 No Act) with a 0 in the cell. I'm hoping that it will keep from throwing any P0140/P0420 codes since I'm catless. Whether or not this bit disables the P0420 code is not in my knowledge base however from past experience, I have seen a relation on other platforms. I don't have a rear O2 sensor anyways since I somehow managed to misplace the sensor during the test pipe install...... might as well disable that Bit.
As for fuel trims, I'm in NKY, so our weather is constantly changing. As a result, I do run the O2 Sim without the Rear O2 disabled in order to keep fuel trims. This is the best way to do it unless you decide to drive your car in a climate that doesn't have major air temp changes. Our Winters are cold and our Summers are hot..... keeping LTFT helps me more than having it disabled.
As for fuel trims, I'm in NKY, so our weather is constantly changing. As a result, I do run the O2 Sim without the Rear O2 disabled in order to keep fuel trims. This is the best way to do it unless you decide to drive your car in a climate that doesn't have major air temp changes. Our Winters are cold and our Summers are hot..... keeping LTFT helps me more than having it disabled.
Thread Starter
Evolving Member
iTrader: (7)
Joined: Feb 2008
Posts: 401
Likes: 1
From: Bloomingdale, IL
Thanks! Yea, I keep the bit for rear o2 on. I have a rear o2 sensor, just no cat. I'm glad I turned it on because the shop that tuned it scaled the injectors incorrectly. Fuel trims shot up to -12.5% pretty quick. They are under control now, but I also had to adjust the fuel maps to compensate.
Thanks!
Thanks!
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