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P0153 Diagnostic Trouble Code Discussion for August 2004

Heated Oxygen Sensor (Bank 2 Sensor 1) Slow Response

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Trouble Ticket Help Requests for DTC P0153
Help Request Posted
1996 Chevrolet Blazer 4.3L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 1GNDT13WXT
P0153: Heated Oxygen Sensor (Bank 2 Sensor 1) Slow Response. came in with these codes p0153, p0154, p0155 low or slow, o2 sensor activity. also had 02 heater circuit. replaced bank 2 sensor with no change. I can't determine if its the ijector assmebly or the computer. fuel trim is at 128 on one side and 138 on bank 2. i...
August 25, 2004