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P0133 Diagnostic Trouble Code Discussion for August 2009

Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response


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Trouble Ticket Help Requests for DTC P0133
Help Request Posted
2005 Jeep Grand Cherokee Laredo 4.7L Poor Idle Quality, MIL Lamp on VIN: 1JHR48N35C
P0133: Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response. Jeep came in with customer requesting O2 sensor replacement,scanned and replaced bank 1 sensor 1 O2,OE Part, Jeep Runs rough,I have Checked Fuel pressure(60 psi) Vacuum 17 inch,checked exhaust back pressure Less than 1 lb, Smoked intake no leaks, Fuel trim # b...
August 05, 2009
1996 Ford Aerostar 4.0L Misfire VIN: 1FTW16TSTS
P0133: b1s1 o2 no activity. This car missfires under load, i tried adding propane but not much change. I have good spark to the plug, I will try a injector flow test, my first thought was a valve issue. No vacuum leaks found and fuel trim looks good.
August 11, 2009
2005 Jeep Grand Cherokee Laredo 4.7L Poor Idle Quality, MIL Lamp on VIN: 1JHR48N35C
P0133: Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response. Jeep came in with customer requesting O2 sensor replacement,scanned and replaced bank 1 sensor 1 O2,OE Part, Jeep Runs rough,I have Checked Fuel pressure(60 psi) Vacuum 17 inch,checked exhaust back pressure Less than 1 lb, Smoked intake no leaks, Fuel trim # b...
August 05, 2009
1996 Ford Aerostar 4.0L Misfire VIN: 1FTW16TSTS
P0133: b1s1 o2 no activity. This car missfires under load, i tried adding propane but not much change. I have good spark to the plug, I will try a injector flow test, my first thought was a valve issue. No vacuum leaks found and fuel trim looks good.
August 11, 2009