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P0134 Diagnostic Trouble Code Discussion for October 2005

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
2001 Infiniti I30 3.0L MIL Lamp on VIN: JNKCA31A81
P0134: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity. Lean condition and code set for o2 activity problem, lab scoped o2 and confirmed it wouldnt come off of lean (near zero) line, even when forced rich, b2s1 seems fine and even can be forced , however I noticed b1s1 wouldnt switch, so I recomended o2 after testi...
October 26, 2005
2000 Audi S4 2.7L Misfire VIN: WAUDD68D0Y
P0134: o2 bank1 sensor 1 no activity. having a little missfire problem with this car. It is missfiring on cyl #1,2,3,&4. Customer was here about a week ago with #5 missing and a month before that with #1 missing. But no o2 fault then. Checked for carbon and all cyl's looked fine, last week. It...
October 28, 2005