3800 what is the OBD2 code for missing rear o2

alexgtp

TCG Elite Member
Aug 3, 2007
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Originally posted by SINr247@Mar 10 2006, 01:56 PM
as listed need to remove from someone's car with my PT
any help thanks
[snapback]117790[/snapback]​

*P0136 O2 Sensor Circuit Malfunction (Bank 1 Sensor 2)
*P0137 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)
P0138 O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)
*P0139 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)
***P0140 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
P0141 O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0170 Fuel Trim Malfunction (Bank 1)
P0171 System too Lean (Bank 1)
P0172 System too Rich (Bank 1)



any one of these can be triggerd if the rear 02 is missing
*- very common
***- this is the code i always threw when i had no rear O2
 
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