Why Is My O2 Sensor Not Ready

Why Is My O2 Sensor Not Ready. If you have performed the necessary driver cycles and have not lost battery voltage or reset the computer at any time then you either have a problem with the heater circuit of the sensor or the computer is failing. Water getting inside the heated oxygen sensor connector can caused the heated oxygen sensor fuse to blow.

Why might the catalytic converter monitor be not ready for from www.toyota-4runner.org

I usually test the heater circuit first as it will not set a code if it is working, but just not reaching the right temperature. I then went to the emissions place and they said my computer says that my o2 sensor is not ready. If i clear p0491 and p0492 then my ses goes off but will return after a few miles of driving.

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I then went to the emissions place and they said my computer says that my o2 sensor is not ready. According to the smog check station.

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It's been 500 miles and no change. An extensive search finds nothing for this part number.

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If the oxygen sensor and catalyst monitors are also not ready, the culprit is most likely a. If you have performed the necessary driver cycles and have not lost battery voltage or reset the computer at any time then you either have a problem with the heater circuit of the sensor or the computer is failing.

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This could be a coolant temp sensor never reaching a warmed up temperature, or something like a bad o2 sensor. If you have performed the necessary driver cycles and have not lost battery voltage or reset the computer at any time then you either have a problem with the heater circuit of the sensor or the computer is failing.

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There are no codes stored in the ecm. Today they applied the program and suggested to drive for 100 miles.

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O2, o2 heater, and catalyst not ready. The smog guys said just drive it 50+ miles and it should go ready.

This Checks Secondary Air Injection And Evaporative Leak Detection Systems.

The vehicle drivetrain/emissions (including a stock tune) is 100% stock. I'm assuming that my o2 sensors are faulty as they would cause my o2 and catalyst modules to not be ready. I have a 2001 pathfinder le which will not pass california emissions because the odb ii shows oxygen sensor not ready.

Additionally, The Components Cycle Used To Set On The Current Drive, But It Hasn't In A While.

If the o2 sensor cannot be trusted to be accurate, (the o2 sensor failed code) that could block that portion of the evaporative monitor and that means that it would not complete. These constantly monitor the sensors, the fuel mixture, and the occurrence of misfires. The car now has 103,000 miles.

I Am Having Issues Getting My O2 Sensor Monitors To Test Ready And Have See Some Other Folks Have The Same Issue.

If the sensor and connector are ok, replacing the o2 sensor 1 usually takes care of the problem. I've tried the gm drive cycle process 15+ times as well as a much more detailed process that was outlined in the link below: I usually test the heater circuit first as it will not set a code if it is working, but just not reaching the right temperature.

It's Not A Sensor That Accumulates Data.

This could be a coolant temp sensor never reaching a warmed up temperature, or something like a bad o2 sensor. It's not ready because you need to do a specific drive cycle to get it ready: Oxygen sensor heater monitor not ready?

This Is The Only Service Record For An O2 Sensor.

The smog guys said just drive it 50+ miles and it should go ready. The straight style defoulers would not fit. Before replacing the sensor, check for the condition of the heated oxygen sensor fuse and connectors.