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P1133 Diagnostic Trouble Code Discussion for July 2009

Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching


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Trouble Ticket Help Requests for DTC P1133
Help Request Posted
1997 Pontiac Grand Am SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G2NE52T5V
P1133: O2S-11 (Bank 1 Sensor 1) Insufficient Switching. car came in for a misfire. the original code was the po300. knowing the history with these quad4s i pulled the coil housing down and found that the resistance was quit a bit different from one cylinder to another, so i recommended a new housing then recheck sy...
July 06, 2009
1997 Pontiac Grand Am SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G2NE52T5V
P1133: O2S-11 (Bank 1 Sensor 1) Insufficient Switching. car came in for a misfire. the original code was the po300. knowing the history with these quad4s i pulled the coil housing down and found that the resistance was quit a bit different from one cylinder to another, so i recommended a new housing then recheck sy...
July 22, 2009
1999 GMC Sierra 1500 SLT 5.3L MIL Lamp on, p1153 Or p1133 VIN: 2GTEC19T3X
P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. The o2s have been replaced and the monitors will set with no issues after the customer drives for couple of days codes come back! Somtimes 1153 And at others 1133 not both at same time!!
July 30, 2009
1997 Ford Taurus GL 3.0L Poor Idle Quality, P0133 and P1131 VIN: 1FALP52U0V
P1133: B1S1 O2 Indicates Lean. Hi Guys and Gals, I have a 2 fold problem here that I'm having trouble making sense of. The complaint was Check Engine light on and intermittent high idle. I started the car up cold and the idle was high. I let the car warm up and connected Auto Enginuity t...
July 31, 2009