P0133 Diagnostic Trouble Code Discussion for November 2016
Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response
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| Help Request | Posted | |
| 1998 Ford F-150 XL 4.2L Excessive Emissions VIN: 2FTZF1723W P0133: Right front oxy sensor slow response. Vehicle will not go into closed loop for more than a couple of seconds if at all. When it does ST fuel trims go -30 but oxygen sensors don't reflect this change. Inducing a large vacuum leak improves engine idle but oxy sensors still red over 0.8volts. I am le... |
November 04, 2016 | |
| 1998 Ford F-150 XL 4.2L Excessive Emissions VIN: 2FTZF1723W P0133: Right front oxy sensor slow response. Vehicle will not go into closed loop for more than a couple of seconds if at all. When it does ST fuel trims go -30 but oxygen sensors don't reflect this change. Inducing a large vacuum leak improves engine idle but oxy sensors still red over 0.8volts. I am le... |
November 05, 2016 |
