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P0134 Diagnostic Trouble Code Discussion for August 2009

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
2004 Chevrolet Express 3500 6.0L Poor Idle Quality, MIL Lamp on VIN: 1GBHG31V64
P0134: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity. when this truck was brought to us 3 months ago mil light on with a p0157 low b2s2 activity and oe plugs at 85000, we thought it to be a no brainer ,full tune up and 4 new 02 sensors.flash ahead 2 months and we r chasing multiple o2 and lean exhaust codes.repla...
August 04, 2009
2003 Saab 9-5 Aero 2.3L MIL Lamp on VIN: YS3EH49G43
P0134: no activity on oxygen sensor bank 1 switch 1. ... this vehicle brought to us with a complaint of loss of power, surging and the check engine light on. I had to use my MODIS in generic obd mode and retrieved the code p0134 upstream 02 not changing. I verified a flatline on the o2 happening when the vehicle...
August 19, 2009
1999 Volkswagen Passat GLS 1.8L No Start, Poor Idle Quality, Surge, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on VIN: WVWMA63B6X
P0134: 16487 B1S1 o2 sensor no activity. Stumped again. Got this Passat several weeks ago with the complaint of intermintant loss of power. Checked all ignition parts and fuel pressure at the time as well as codes and found oil contaminated coil boots, autolite spark plugs, and three cracked coils. A...
August 21, 2009