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05-22-2017, 08:58 PM
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#1 |
          
Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016
Location: Spring Hill, FL
Posts: 4,574
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Battery pull after an O2 sensor change?
Just curious as to the best method for when changing sensors.
Swapping my B2S1 pre-sensor tomorrow due to failure. I'm at +25% LTFT right now. Is it a good idea to pull the battery for a few minutes after the replacement to clear learned values or should I just leave it be and let the trims adjust on their own?
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2010 CGM Camaro 2SS LS3 Swapped A6 - GPI LS3 SS1 .647/.638, (224/237, 112 +4, 7º overlap) on CamMotion 8620 core, BTR Platinum .660" Dual Spring kit w/titanium retainers, CHE bronze trunnion upgrade, stock heads milled @ .015, Melling HV 10296 oil pump, TSP 1-7/8" long tube headers (W/Catless Off-road Pipes), Corsa Xtreme 3" Catback, GPI Ported/Rod Mod Intake, Stage 2 Ported Throttle Body, Vararam OTR CAI, Mike Norris Gen 2 catch can + GM 1LE clean side separator, 160º thermostat - Megan Racing adjustable coilovers (lowered 1.75"), MRR M017 10/11" wheels-Tuned by Ryan @ GPI
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05-23-2017, 07:17 AM
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#2 |
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Drives: 2011 LS3 Join Date: Jan 2012
Location: el paso tx
Posts: 547
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You can also do #5 and #20 fuse pull.
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Vararam
Stainless Works Headers Vmax TB SLP loudmouth 2 Nightfury Cam Mike Norris CC Tuned by Southwest Speed |
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05-23-2017, 11:52 AM
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#3 |
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Drives: 2018 1SS M6 Join Date: Nov 2014
Location: Houston
Posts: 2,617
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You can just disconnect the negative terminal before you start. This is typically listed as the first step in many repairs in service manuals, especially for electronic components.
I'm not so sure that this would be relearning thing, as when it comes to O2's the ECU directly responds to the signal it receives. If you don't pull the negative terminal, there still shouldn't be any "relearn" involved, it should operate normally. You will probably still have a CEL which remains for x amount of drive cycles and shuts off when no faults are detected by the ECU. |
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05-23-2017, 03:48 PM
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#4 |
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Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016
Location: Spring Hill, FL
Posts: 4,574
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Alrighty guys, thank you.
Just changed both front sensors and getting ready to fire her up. Fingers crossed!
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2010 CGM Camaro 2SS LS3 Swapped A6 - GPI LS3 SS1 .647/.638, (224/237, 112 +4, 7º overlap) on CamMotion 8620 core, BTR Platinum .660" Dual Spring kit w/titanium retainers, CHE bronze trunnion upgrade, stock heads milled @ .015, Melling HV 10296 oil pump, TSP 1-7/8" long tube headers (W/Catless Off-road Pipes), Corsa Xtreme 3" Catback, GPI Ported/Rod Mod Intake, Stage 2 Ported Throttle Body, Vararam OTR CAI, Mike Norris Gen 2 catch can + GM 1LE clean side separator, 160º thermostat - Megan Racing adjustable coilovers (lowered 1.75"), MRR M017 10/11" wheels-Tuned by Ryan @ GPI
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05-23-2017, 04:43 PM
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#5 |
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Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016
Location: Spring Hill, FL
Posts: 4,574
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I did a battery pull.
Fired her up and no more stalling or +25% LTFTs. Shes running like a beast now!
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2010 CGM Camaro 2SS LS3 Swapped A6 - GPI LS3 SS1 .647/.638, (224/237, 112 +4, 7º overlap) on CamMotion 8620 core, BTR Platinum .660" Dual Spring kit w/titanium retainers, CHE bronze trunnion upgrade, stock heads milled @ .015, Melling HV 10296 oil pump, TSP 1-7/8" long tube headers (W/Catless Off-road Pipes), Corsa Xtreme 3" Catback, GPI Ported/Rod Mod Intake, Stage 2 Ported Throttle Body, Vararam OTR CAI, Mike Norris Gen 2 catch can + GM 1LE clean side separator, 160º thermostat - Megan Racing adjustable coilovers (lowered 1.75"), MRR M017 10/11" wheels-Tuned by Ryan @ GPI
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