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P1133 Diagnostic Trouble Code Discussion for March 2012

Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching


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Trouble Ticket Help Requests for DTC P1133
Help Request Posted
2001 Chevrolet Tahoe 5.3L Stall, extened crank VIN: 1GNEC13T01
P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. tahoe will die sometimes hot or cold. and every other time you try to start it, it cranks for a while before it starts. replaced mass air flow under warranty and reading normal. flushed injectors again. ect and iat read within 4 degrees of each other on cold e...
March 22, 2012
2001 Chevrolet Tahoe 5.3L Stall, extened crank VIN: 1GNEC13T01
P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. tahoe will die sometimes hot or cold. and every other time you try to start it, it cranks for a while before it starts. replaced mass air flow under warranty and reading normal. flushed injectors again. ect and iat read within 4 degrees of each other on cold e...
March 22, 2012
2001 Saturn SL 1.9L Poor Idle Quality, Stall, Poor Fuel Economy VIN: 1G8ZF52871
P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response. Customer complaint of getting bad gas mileage and car sounds louder than usual. Scanned computer and saw the O2 code so I checked data and O2 seems to want to stay on the rich side. Only seldom did it get below .4. I also noticed the car would not go into clos...
March 26, 2012
2001 Chevrolet Tahoe 5.3L Stall, extened crank VIN: 1GNEC13T01
P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. tahoe will die sometimes hot or cold. and every other time you try to start it, it cranks for a while before it starts. replaced mass air flow under warranty and reading normal. flushed injectors again. ect and iat read within 4 degrees of each other on cold e...
March 22, 2012
2001 Chevrolet Tahoe 5.3L Stall, extened crank VIN: 1GNEC13T01
P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. tahoe will die sometimes hot or cold. and every other time you try to start it, it cranks for a while before it starts. replaced mass air flow under warranty and reading normal. flushed injectors again. ect and iat read within 4 degrees of each other on cold e...
March 22, 2012
2001 Saturn SL 1.9L Poor Idle Quality, Stall, Poor Fuel Economy VIN: 1G8ZF52871
P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response. Customer complaint of getting bad gas mileage and car sounds louder than usual. Scanned computer and saw the O2 code so I checked data and O2 seems to want to stay on the rich side. Only seldom did it get below .4. I also noticed the car would not go into clos...
March 26, 2012