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P0134 Diagnostic Trouble Code Discussion for February 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
1996 Chevrolet Tahoe LS 5.7L Hesitation, lack of power VIN: 1GNEK13RXT
P0134: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity. ... for both front o2's as well as a p0134 - no activity B1S1. Both sensors flatline intermittantly - checked heater ckt - fuse OK - checked fuel pressure - 56-62psi is spec - measured 54 - replaced fuel filter - no change. C...
February 24, 2009