DIY Wideband logging
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Registered User
Joined: Nov 2000
Posts: 32
From: Champaign, IL, US
DIY Wideband logging
Has anyone successfully built the DIY wideband o2 sensor (www.diy-wb.com) and logged the output along with other engine parameters? I'm toying with the novel idea of using the A/C pressure sensor harness as the wb02 signal line since Datamaster will log this signal and the PCM expects the 0 to 5v range needed for the diywb02. If anyone has done this or has any other input/suggestions, pleas post.
-Jay
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94Z A4
Comp Cams 306, GTP Stage 3 heads, other stuff.
<A HREF="http://www.LT1tech.com" TARGET=_blank> www.LT1tech.com </A>
-Jay
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94Z A4
Comp Cams 306, GTP Stage 3 heads, other stuff.
<A HREF="http://www.LT1tech.com" TARGET=_blank> www.LT1tech.com </A>
Registered User
Joined: Nov 1998
Posts: 762
From: Huntsville, Alabama
Where else has this been discussed??? If the A/C pressure sensor does truly use a 0-5V range, then it should be no problem wiring a WB sensor to it. Let me know what you find out...
Jose
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97 SS #1500 T-76 383
88 Supra Turbo CT-26/T04
87 Buick Grand National T-70
Jose
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97 SS #1500 T-76 383
88 Supra Turbo CT-26/T04
87 Buick Grand National T-70
Registered User
Joined: Jun 2002
Posts: 113
From: Scottsdale, Arizona
Yes it is a 0-5 mv signal with the 5 mv being provided by the pcm. It is on the same circuit as the TPS switch on my 93.
The only way I know is I melted that sensor on the race car (!AC) and it shorted out and also grounded the TPS sensor!
Perry
The only way I know is I melted that sensor on the race car (!AC) and it shorted out and also grounded the TPS sensor!
Perry
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