P0133 Diagnostic Trouble Code Discussion for August 2009
Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response
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| 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 |
