The codes are telling me that all my O2 sensors are bad! About 1yr ago, I got an error code for one of my pre-cat O2 sensors (Not sure which one, will need to search the archive) and I replaced it with a Bosch sensor.

Now, about 1yr later, I get all these codes... <img src="/forums/images/graemlins/zombie.gif" alt="" /> Are all of my sensors now bad or could it be some weird electrical problem???


P0134 - 02 Sensor Circuit No Activity Detected (Bank I Sensor 1)
P0135 - 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

P0141 - 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)

P0154 - 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
P0155 - 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)

P0161 - 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)


P1870 - Transmission Component Slipping