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Subject: "rear o2 bypass?" Previous topic | Next topic
rgirard413May-31-04 11:15 AM
Member since Jun 27th 2002
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#75403, "rear o2 bypass?"


          

I read the direction on http://www.vfaq.com/mods/O2bypass.html but my o2 sensor wires are a lil different and was wondering if anyone can help me with it. They go white white grey black instead of black black white blue..

98 Eclipse GSX
www.ridonkulous.com

  

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Replies to this topic
RE: rear o2 bypass?, DJ420a, May-31-04 11:28 AM, #1
RE: rear o2 bypass?, Uberingram, May-31-04 11:36 AM, #2
      RE: rear o2 bypass?, rgirard413, May-31-04 11:48 AM, #3
           RE: rear o2 bypass?, AdministratorStar Turbo Talon, Jun-02-04 01:03 AM, #4
           RE: rear o2 bypass?, mcgyvr, Jun-02-04 03:21 AM, #5
                RE: rear o2 bypass?, AdministratorStar Turbo Talon, Jun-02-04 03:25 AM, #6
                     RE: rear o2 bypass?, rgirard413, Jun-03-04 05:43 AM, #7
                          RE: rear o2 bypass?, AdministratorStar Turbo Talon, Jun-10-04 09:32 PM, #8

DJ420aMay-31-04 11:28 AM
Member since May 19th 2004
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#75405, "RE: rear o2 bypass?"
In response to Reply # 0




          

What will this do besides get rid of your CEL light??

  

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UberingramMay-31-04 11:36 AM
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#75406, "RE: rear o2 bypass?"
In response to Reply # 1
May-31-04 11:36 AM by Uberingram

          

Originally posted by DJ420a
What will this do besides get rid of your CEL light??


Nothing. Your ECU does not modify any of it's fuel trims or maps (for lack of better terminology) based on readings from the rear o2 sensor.

__________________________________________
~Chris
03 SRT-4

  

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rgirard413May-31-04 11:48 AM
Member since Jun 27th 2002
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#75407, "RE: rear o2 bypass?"
In response to Reply # 2


          

yea but i dont want any cel lights on..I just installed turbo and dont have it hooked up but want to just get rid of the cel.

98 Eclipse GSX
www.ridonkulous.com

  

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AdministratorStar Turbo TalonJun-02-04 01:03 AM
Member since Oct 21st 2003
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#75457, "RE: rear o2 bypass?"
In response to Reply # 3




          

put the resistor between the grey and black. White and white are for the O2 heater element.

Terry

96 Eagle talon ESI
Star Stage II - Boost/oil/EGT gauges

97 Eclipse
Greddy header/evo exhaust - Stage 2 6 puck Sprung hub MIBA clutch - Shortened shifter - Koni Yellows w/eibach prokit - Stillen Fr/Rr swaybars - ceramic intake - DEI Keyless entry alarm - Niche 17" Shoks

Waiting to be installed: Apexi AFC, HKS EVC IV, ceramic intake, 450 Turbo injectors, SFMU/return line, GSX Front brakes (need rotors)

  

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mcgyvrJun-02-04 03:21 AM
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#75459, "RE: rear o2 bypass?"
In response to Reply # 3


          

Originally posted by rgirard413
yea but i dont want any cel lights on..I just installed turbo and dont have it hooked up but want to just get rid of the cel.


So hook the rear o2 back up.......even with the resistor mod your still going to get a CEL once and a while from it.

1998 dodge avenger 4 cyl AT
Mods are:
Not enough

  

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AdministratorStar Turbo TalonJun-02-04 03:25 AM
Member since Oct 21st 2003
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#75460, "RE: rear o2 bypass?"
In response to Reply # 5




          

On a 97 plus you still need to have the O2 hooked up. the resistor just takes the o2 resistor and make it look leaner than it is. The ECU looks at the rear 0s voltages to fluctuate not stay constant as a resistor alone would. I know this because the 02 i had in my 97 would not fluctuate fast enough and threw codes consistantly. For that setup there are o2 simulators. Now on a 96/95 i am not sure if the ECU searches for the same but i bet it does. There is even a code for that condition.

Terry

96 Eagle talon ESI
Star Stage II - Boost/oil/EGT gauges

97 Eclipse
Greddy header/evo exhaust - Stage 2 6 puck Sprung hub MIBA clutch - Shortened shifter - Koni Yellows w/eibach prokit - Stillen Fr/Rr swaybars - ceramic intake - DEI Keyless entry alarm - Niche 17" Shoks

Waiting to be installed: Apexi AFC, HKS EVC IV, ceramic intake, 450 Turbo injectors, SFMU/return line, GSX Front brakes (need rotors)

  

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rgirard413Jun-03-04 05:43 AM
Member since Jun 27th 2002
425 posts,
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#75543, "RE: rear o2 bypass?"
In response to Reply # 6


          

i couldnt hook the sensor back up because it was stuck in the exhaust..i cant get it out..its like everything was welded on the exhaust. I already cut the harness anyway.. So pretty much what you guys are saying is that even with the resistor, im gonna trip codes?

98 Eclipse GSX
www.ridonkulous.com

  

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AdministratorStar Turbo TalonJun-10-04 09:32 PM
Member since Oct 21st 2003
8331 posts,
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#75940, "RE: rear o2 bypass?"
In response to Reply # 7




          

yup

96 Eagle talon ESI
Star Stage II - Boost/oil/EGT gauges

97 Eclipse
Greddy header/evo exhaust - Stage 2 6 puck Sprung hub MIBA clutch - Shortened shifter - Koni Yellows w/eibach prokit - Stillen Fr/Rr swaybars - ceramic intake - DEI Keyless entry alarm - Niche 17" Shoks

Waiting to be installed: Apexi AFC, HKS EVC IV, 450 Turbo injectors, SFMU/return line, GSX Front brakes (need rotors)

  

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