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P0133 Diagnostic Trouble Code Discussion for June 2004

Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response


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Trouble Ticket Help Requests for DTC P0133
Help Request Posted
1996 Ford Taurus GL 3.0L Excessive Emissions, Poor Idle Quality, Cuts out, Stall VIN: 1FALP52U4T
P0133: o2. After the car is hot it will stall out or idle low due to rich over fueling. It massively overfuels (inj pw 50mS plus). MAF goes to a fixed 5.0 volts, sometimes .65 volts. Both oxygen sensors sit at .41 volts. Sometimes the Cat monitor sensors are at 1.66 volt...
June 01, 2004
1996 Ford Taurus GL 3.0L MIL Lamp on VIN: 1FALP52U0T
P0133: HO2S11 ckt slow response. ... codes were in the system memory, the P1131 and P1151 reset as soon as you run the code tests again. The fuel pressure is good and doesn't drop when driving, the MAF was only slightly dirty and cleaning didn't make any differ...
June 10, 2004
2000 Porsche Boxster Roadster 3.2L MIL Lamp on VIN: WPOCB2985Y
P0133: O2 sensor signal slow bank 1 sensor 1. ... on, code P0133.Checked for vacuum leaks, none found. Tested O2 sensor operation, found bank1 sensor1 sensor switching slower than bank2 sensor1. Replaced O2 sensor, reset ECU and the same code came back after two days. Any other ideas? Am I missing somethi...
June 14, 2004