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Registered
Join Date: Feb 2001
Location: Ottawa
Posts: 786
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Olivier,
There are two WBO2 sensors that I know of (L1H1 by NTK and the LSU4 from BOSCH). Both require a controller. You can't just screw them in and expect an output voltage. These babies have special circuitry to maintain a steady temperature on the sensor and special current pumps used to read the AFR.
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Tony '78 911SC with BITZRACING EFI conversion kit |
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07-07-2003, 03:06 PM
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Senior Member
Join Date: May 2000
Location: Richmond, VA
Posts: 919
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I found that the voltage problem from my sensor is related to the new gauge. It was too coincidental to lose the sensor at the same time I installed the gauge.
With the gauge plugged in, I get almost no voltage from the O2 sensor, plugged in or not. Once I unplug the gauge, the sensor voltage is normal and I can use it to set my mixture at idle. The gauge instructions said it would not "load or disrupt the sensor signal", so I need to figure out what is going on. Since I normally run without the O2 sensor plugged in after setting the mixture, it is not that big a deal, but I am curious about what is going on and I would like to have the option of having both a gauge and a closed loop system if I feel the need in the future. Olivier
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Olivier Hecht 1982 911SC |
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07-07-2003, 07:28 PM
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Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
Posts: 21,140
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Breaking News
Overpaid Slacker/ JP has an EGT itch he's not sure how to scratch. The issue is Could He Use a TIT, in addition to a single tube or double tube EGT, to help setting his fuel and ignition map ? My little JPI EDM-700 has a bunch of options that I'm not using. One of them is a TIT option. I'm not using a turbo. So I'm doing a copy and paste from my manual. We need some action on this issue.. anybody. this is JP's new thread How important is Turbo Inlet Temperature in Tuning a 930? 
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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04-26-2004, 08:53 PM
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Registered
Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
Posts: 21,140
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TIT means Turbine Inlet Temp
and here is a routine airplane engine situation. 
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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04-26-2004, 08:57 PM
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Registered
Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
Posts: 21,140
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again
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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04-26-2004, 09:11 PM
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