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P1153 Diagnostic Trouble Code Discussion for October 2011

Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching


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Trouble Ticket Help Requests for DTC P1153
Help Request Posted
2003 Chevrolet Silverado 1500 4.3L Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCEK14X33
P1153: Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching. This truck has me stumped!!! O2 Sensors installed but vehicle misfires after 5-10 miles and FT%/ST% above threshholds after driving. O2's flatline and system dumping fuel due to lean condition. Inspected spider assy with fuel pump running and no detectable lea...
October 07, 2011
2003 Chevrolet Silverado 1500 4.3L Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCEK14X33
P1153: Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching. This truck has me stumped!!! O2 Sensors installed but vehicle misfires after 5-10 miles and FT%/ST% above threshholds after driving. O2's flatline and system dumping fuel due to lean condition. Inspected spider assy with fuel pump running and no detectable lea...
October 07, 2011