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12-17-2017, 03:21 PM
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#1 |
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Huge Chevy Fan
Drives: 14' 2SS/RS 1LE built 4/22/14 Join Date: Apr 2012
Location: Billings, MT
Posts: 838
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Ngauge PLX wideband setup--- HELP!
Does anyone currently have the Ngauge with the PLX wideband setup? I'm trying to get the equation right for both AFR and Lambda, I would prefer using it in Lambda.
My current equations are .136 with the offset being .68 for lambda. This one seems pretty close! And 2 with an offset of 10 for AFR And how would I test it to make sure it's reading correctly?? Any help would be GREATLY appreciated!! Thank you
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2014 2SS/RS Red Rock Metallic, Recaro seats, sunroof, NPP, Nitto Motivo 275/40/20 front 315/35/20 back, Cold air inductions intake, elite catch can, Stainless Works 1 7/8" long tube headers w/hiflow cats, 20% tint, Intake rod mod by Gwatney Performance, Bo White ported & polished throttle body, powerbond 25% UDP, Howards Cam 226/236 duration- 525/525 lift 110 ....with a WHOLE bunch of fun added!!
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12-18-2017, 02:45 PM
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#2 |
 
Drives: 2SS RS ABM A6 Join Date: Jun 2010
Location: Pahrump, NV
Posts: 273
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Widebands really are lambda sensors, that include simple math to covert it to the AFR scale you "commonly" need.
For pure gasoline, it's Lambda * 14.7 For normal e10 gasoline, it's Lamdba * 14.36 (and so on) So, 1.0 Lambda is always the perfect stoichiometric balance of air to whatever-fuel-you-use. From what I see in their directions, Lambda min is .68 and max is 1.36. (And .68 * 14.7 = 9.9.96, 1.36 * 14.7 = 19.992). So, if you leave the sensor in free air for an hour (probably less), it should peg at (in your case) 1.36 lambda (ultra lean) In the narrow band (something around 14:1 to 15:1), the factory O2 sensors should be close to your wideband, if it's configured correctly). Are you trying to configure the analog output of the wideband as an input into HP Tuners for data logging?
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Jack Bilger
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12-18-2017, 05:05 PM
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#3 | |
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Huge Chevy Fan
Drives: 14' 2SS/RS 1LE built 4/22/14 Join Date: Apr 2012
Location: Billings, MT
Posts: 838
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Quote:
I'm trying to set up my wideband on my new Ngauge to read in lambda.
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2014 2SS/RS Red Rock Metallic, Recaro seats, sunroof, NPP, Nitto Motivo 275/40/20 front 315/35/20 back, Cold air inductions intake, elite catch can, Stainless Works 1 7/8" long tube headers w/hiflow cats, 20% tint, Intake rod mod by Gwatney Performance, Bo White ported & polished throttle body, powerbond 25% UDP, Howards Cam 226/236 duration- 525/525 lift 110 ....with a WHOLE bunch of fun added!!
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