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P0154 Diagnostic Trouble Code Discussion for September 2008

Heated Oxygen Sensor (Bank 2 Sensor 1) Signal Remains At Center

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Trouble Ticket Help Requests for DTC P0154
Help Request Posted
2003 Chevrolet Express 3500 6.0L Poor Idle Quality, Stall VIN: 1GCHC39U53
P0154: Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity. help!!! this 3500 series van will not idle, fuel trims are in the negative -15 to -20. it is not the fuel pressure regulate, i pulled the vac line and no fuel at all. the idle will surge up and down and 90 percent of the time it will stall at idle. driving at ...
September 17, 2008