Check Engine Light Due to Failed Oxygen Sensor on Toyota Solara

The Check Engine Light may illuminate because a component of the oxygen sensor stops working. As a result the engine computer is unable to determine the proper ratio of air to fuel for the engine. Replacing the failed oxygen sensor should correct this concern.

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Average mileage: 126,807 (53,500–260,000)
10 model years affected: 1999, 2000, 2001, 2002, more2003, 2004, 2005, 2006, 2007, 2008
68 people reported this problem
28 people shared problem details
2001 Toyota Solara100,000
What will happen to my car if this is not repaired?
2003 Toyota Solara96,589
Check engine light came on so I went to get it checked out. The machine read that it was my oxygen sensor so I got that problem fix however, a week later the check engine light came back on and it is reading the same thing.
2002 Toyota Solara180,000
Replaced Oxygen Sensor, but can not figure out how to reset light it keeps comming back on.
1999 Toyota Solara209,000
My check engine light was coming on so I took it to a local AutoZone. They read the engine diagnose and told me the code for o2 sensor was coming up. I bought the part for about $150-200 and installed it myself.
2000 Toyota Solara123,000
I have had the O2 sensor changed 3 times, but this problem keeps occuring. I am now keeping the same 02 sensor and just dealing with the light.
2006 Toyota Solara60,000
Oxygen sensor needed to be replaced at 60000 miles ...... Check engine light was showing
2002 Toyota Solara70,000
Check engine light. Took in for service. Changed the sensor. Problem solved.
In both cases failure of original and next unit, was faulty sensor heater element, do not use dealer old stock to replace sensor buy new from CA, from newly produced stock. We feel defect in old sensors and replacements, 3rd one replaced so far same car. purchase parts from if doing job yourself, it is hard to get to sensor is located in rear of engine, but can be seen. This is my 3rd sensor for this car
2007 Toyota Solara74,000
Yes, it's common. Once one sensor goes the other one goes shortly. It cost me $600 for front one, next day the light went on again, had to get the rear sensor replaced.
2004 Toyota Solara190,000
My check engine light went on for a while now. I put the car on the machine to check it and they told me to change my oxygen sensor.
2002 Toyota Solara88,000
Napa diagnosed check engine light to be caused by rear oxygen sensor. I paid 100$ for the party
1999 Toyota Solara145,000
I have continually had these problem since I have purchased the car.
1999 Toyota Solara100,000
have changed the sensor twice in a year and this time was informed my car has 4 oxygen sensors. what do I do.
2001 Toyota Solara181,601
Make a loud humming nosie when i push the gas
2004 Toyota Solara125,377
Check engine light goes on
2003 Toyota Solara70,000
They replaced the sensor which cost me $400!!! Drivers side window quick working at 70,000 miles also. ANOTHER $400!!
my Toyota solara yeari l sensor light keeps on going on...ive had it replaced several times.each times. after 30000 miles it went on again.the car runs their something wrong with the computer. it cannot pass inspection unless I change it.the cost runs about 400 dollars...I love the car.but I keep on changing the sensor every year. help.pls
2000 Toyota Solara145,000
I bought my 2000 Solara with 113,000 miles on it. Not long after I bought it the check engine light came on. In all honesty I have never wanted to spend the money to have it diagnosed. I now have 264,000 miles on my car, it still runs good, idles great, gets 26mpg and I'm just not going to waste time fixing a sensor that isn't as relaiable as the system it's supposed to monitor. Does anyone know if the computer for this year model really uses oxygen sensor data to adjust the fuel/air ratio? Please don't just arbitrarily say it does without knowing for a fact it does because as I said, my car runs great and gets the mileage it is supposed to get. Thanks!
1999 Toyota Solara120,000
O2 sensor was bad according to the check engine light. Replaced the sensor.
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