Disable rear o2s
06-15-2005, 11:06 PM
#1
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Disable rear o2s Hi guys, Im putting a LS1 into a cobra in New Zealand.
I will be running headers and Lake pipes without cats so I want to remove the rear O2s.
Can they be disabled with HP Tunners and if so how.
Thanks Jeff
I will be running headers and Lake pipes without cats so I want to remove the rear O2s.
Can they be disabled with HP Tunners and if so how.
Thanks Jeff
06-16-2005, 12:03 AM
#3
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No problems with emissions.
Ive herd that just removing them makes the engine run rich which is why i wanted to disable them, I was going to use dummys but I wanted to clean up the loome etc by completely removing if possible.
Ive herd that just removing them makes the engine run rich which is why i wanted to disable them, I was going to use dummys but I wanted to clean up the loome etc by completely removing if possible.
06-16-2005, 07:28 AM
#4
Originally Posted by Jeffsmad
No problems with emissions.
Ive herd that just removing them makes the engine run rich which is why i wanted to disable them, I was going to use dummys but I wanted to clean up the loome etc by completely removing if possible.
Ive herd that just removing them makes the engine run rich which is why i wanted to disable them, I was going to use dummys but I wanted to clean up the loome etc by completely removing if possible.
Deleting Rear Oxygen Sensor’s
Driver Side Codes:
137 - HO2S Circuit Low Voltage Bank 1 Sensor 2
138 - HO2S Circuit High Voltage Bank 1 Sensor 2
140 - HO2S Circuit Insufficient Activity Bank 1 Sensor 2
141 - HO2S Heater Performance Bank 1 Sensor 2
Passenger Side Codes:
157 - HO2S Circuit Low Voltage Bank 2 Sensor 2
158 - HO2S Circuit High Voltage Bank 2 Sensor 2
160 - HO2S Circuit Insufficient Activity Bank 2 Sensor 2
161 - HO2S Heater Performance Bank 2 Sensor 2
Go to Edit>Engine Diagnostic’s>DTC’s>Error Mode = 3 for each of the codes above.
Go to Edit>Engine Diagnostic’s>DTC’s>SES Enabled = Off for each of the codes above.
06-18-2005, 04:37 PM
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you're not going to experience a loss of performance from not having the rear o2's. their only function is to monitor the efficiency of the cats and report back to the PCM. if there is no report from the o2's, you'll only get the SES light.
