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P0134 Diagnostic Trouble Code Discussion for May 2004

Heated Oxygen Sensor (Bank 1 Sensor 1) Signal Remains At Center

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Trouble Ticket Help Requests for DTC P0134
Help Request Posted
1999 Volvo V70 2.4L MIL Lamp on VIN: YV1L256D0X
P0134: . The car consistly sets fault codes yet seems to have no problem with vacuum leaks or other issues. After the intial fault code readout the client returned to the dealer for a warranty on the O2 sensor but was told the sensor was OK, the problem was a vacuum l...
May 12, 2004
1996 Pontiac Grand Am SE 3.1L MIL Lamp on VIN: 1G2NE52M5T
P0134: Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity. Car keeps setting the same codes- both oxygen sensor are working fine when scanning- switching lean to rich- Both sensors were replaced 11/02 and rear was replaced again 10/03- it is setting codes again for both sensors- The code description details sensor rem...
May 26, 2004