Civic VX Lean Burn monitor - Page 3 - Fuelly Forums

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Old 01-11-2007, 12:42 PM   #21
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So stay tuned for more exciting updates as they occur.
Oh I will. Now if I only understood this stuff......
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Old 01-11-2007, 12:49 PM   #22
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Lightbulb

I just added more pictures and information that I believe will be extremely helpful to current/future VX owners, or for anyone running Versions 1.0 thru 1.5 of the DIY WB O2 kits from Tech Edge. It's a lot of reading but it's worth it. Just PM me or post here any questions you might have since this has kind of turned into the end-all VX information thread.
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controversy is an idea thought up by weak people who are too afraid to hear the truth.
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Old 01-30-2007, 10:34 AM   #23
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would something like this work to monitor the LAF? its nice, small, and backlit. it displays +/- polarity as well.

http://cgi.ebay.com/20VDC-BLUE-LED-A...QQcmdZViewItem
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Old 01-30-2007, 11:42 AM   #24
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It looks like it would work as a monitor.

There are two ways of monitoring the LAF:
Positive lead of the DMM/DVM to pin D14 (orange with blue stripe)
Negative lead to pin D16 (blue with green stripe wire)
for a reading of -1.xVolts to +.XVolts. + being in lean burn mode.

OR

Positive lead to D14
Negative lead to chassis ground or D22 (sensor ground)
for a reading from +0.xV to +3.1V (lean burn is when readings are above 2.7V)
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Old 03-07-2007, 09:23 AM   #25
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Added more info about Aero parts today.
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Old 03-27-2007, 08:00 PM   #26
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Are the ECU connector pins the same on the later HX? Are the O2 sensors the same (L1H1)? Thanks
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Old 03-28-2007, 09:50 AM   #27
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Are the ECU connector pins the same on the later HX? Are the O2 sensors the same (L1H1)? Thanks
The HX uses a different O2, the cheaper L2H2.

And the pinouts of the ECU on the HX are different as it is an OBD2 vehicle.
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Old 03-28-2007, 10:06 AM   #28
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If you're just trying to monitor the AFR with a wideband, see the link below. The LC-1 with the Bosch sensor is $199. It allows both an analog output (monitor with DMM) or a serial output so you could datalog your AFR's.

http://www.diyautotune.com/catalog/w...d327536136be3b
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Old 03-28-2007, 08:45 PM   #29
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anyone know where I can get a cheap L2H2? Would a L1H1 work?--Just wondering. Does the Lean Burn on the HX function with similar voltage outputs? Thanks for everything.
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Old 04-23-2007, 08:54 AM   #30
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Your best bet would be to check Ebay for the L2H2 or Oxygen Sensor Warehouse

L1H1 is more expensive than the L2H2 plus it's best to stick with what your ECU is expecting for readings. They have slightly different output curves if memory serves me correctly.

UPDATE!

I have added info for rust repair panels.
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